diff --git a/tests/bsim/bluetooth/mesh/CMakeLists.txt b/tests/bsim/bluetooth/mesh/CMakeLists.txt
index 0fb2357826c..bc528ae3f4b 100644
--- a/tests/bsim/bluetooth/mesh/CMakeLists.txt
+++ b/tests/bsim/bluetooth/mesh/CMakeLists.txt
@@ -30,6 +30,7 @@ if(CONFIG_SETTINGS)
    src/test_dfu.c
    src/test_blob.c
    src/test_sar.c
+   src/test_lcd.c
  )
  endif()
 
@@ -78,7 +79,6 @@ else()
    src/test_blob.c
    src/test_op_agg.c
    src/test_sar.c
-   src/test_lcd.c
   )
  endif()
 
diff --git a/tests/bsim/bluetooth/mesh/overlay_pst.conf b/tests/bsim/bluetooth/mesh/overlay_pst.conf
index 0933bdf1020..6a56ec8065b 100644
--- a/tests/bsim/bluetooth/mesh/overlay_pst.conf
+++ b/tests/bsim/bluetooth/mesh/overlay_pst.conf
@@ -19,3 +19,4 @@ CONFIG_BT_MESH_SEQ_STORE_RATE=1
 CONFIG_BT_MESH_RPL_STORE_TIMEOUT=1
 CONFIG_BT_MESH_STORE_TIMEOUT=1
 CONFIG_BT_MESH_TX_SEG_RETRANS_COUNT=1
+CONFIG_BT_MESH_COMP_PST_BUF_SIZE=600
diff --git a/tests/bsim/bluetooth/mesh/src/main.c b/tests/bsim/bluetooth/mesh/src/main.c
index ea7ceff0883..97f8b34c5ca 100644
--- a/tests/bsim/bluetooth/mesh/src/main.c
+++ b/tests/bsim/bluetooth/mesh/src/main.c
@@ -14,6 +14,7 @@ extern struct bst_test_list *test_provision_pst_install(struct bst_test_list *te
 #if defined(CONFIG_BT_MESH_V1d1)
 extern struct bst_test_list *test_dfu_install(struct bst_test_list *test);
 extern struct bst_test_list *test_blob_pst_install(struct bst_test_list *test);
+extern struct bst_test_list *test_lcd_install(struct bst_test_list *test);
 extern struct bst_test_list *test_sar_pst_install(struct bst_test_list *test);
 #endif /* defined(CONFIG_BT_MESH_V1d1) */
 #elif defined(CONFIG_BT_MESH_GATT_PROXY)
@@ -39,7 +40,6 @@ extern struct bst_test_list *test_adv_install(struct bst_test_list *test);
 extern struct bst_test_list *test_blob_install(struct bst_test_list *test);
 extern struct bst_test_list *test_op_agg_install(struct bst_test_list *test);
 extern struct bst_test_list *test_sar_install(struct bst_test_list *test);
-extern struct bst_test_list *test_lcd_install(struct bst_test_list *test);
 #endif /* defined(CONFIG_BT_MESH_V1d1) */
 #endif
 
@@ -51,6 +51,7 @@ bst_test_install_t test_installers[] = {
 	test_provision_pst_install,
 	test_dfu_install,
 	test_blob_pst_install,
+	test_lcd_install,
 	test_sar_pst_install,
 #endif /* defined(CONFIG_BT_MESH_V1d1) */
 #elif defined(CONFIG_BT_MESH_GATT_PROXY)
@@ -75,7 +76,6 @@ bst_test_install_t test_installers[] = {
 	test_blob_install,
 	test_op_agg_install,
 	test_sar_install,
-	test_lcd_install,
 #endif /* defined(CONFIG_BT_MESH_V1d1) */
 #endif
 	NULL
diff --git a/tests/bsim/bluetooth/mesh/src/test_lcd.c b/tests/bsim/bluetooth/mesh/src/test_lcd.c
index dc819b8d0de..c4b64447987 100644
--- a/tests/bsim/bluetooth/mesh/src/test_lcd.c
+++ b/tests/bsim/bluetooth/mesh/src/test_lcd.c
@@ -15,6 +15,7 @@
 
 #include <mesh/access.h>
 #include <mesh/net.h>
+#include "argparse.h"
 
 LOG_MODULE_REGISTER(test_lcd, LOG_LEVEL_INF);
 
@@ -50,6 +51,41 @@ const struct bt_mesh_model_op dummy_op[] = {
 	BT_MESH_MODEL_OP_END,
 };
 
+static const uint8_t elem_offset2[3] = {4, 5, 6};
+static const uint8_t additional_data[2] = {100, 200}; /* A Mesh Profile may have additional data. */
+static const struct bt_mesh_comp2_record comp_rec[40] = {
+	[0 ... 39] = {.id = 10,
+		      .version.x = 20,
+		      .version.y = 30,
+		      .version.z = 40,
+		      .elem_offset_cnt = sizeof(elem_offset2),
+		      .elem_offset = elem_offset2,
+		      .data_len = sizeof(additional_data),
+		      .data = additional_data},
+};
+static const struct bt_mesh_comp2 comp_p2 = {.record_cnt = ARRAY_SIZE(comp_rec),
+					     .record = comp_rec};
+
+static int comp_page;
+static bool comp_changed;
+static void test_args_parse(int argc, char *argv[])
+{
+	bs_args_struct_t args_struct[] = {
+		{.dest = &comp_page,
+		 .type = 'i',
+		 .name = "{page}",
+		 .option = "page",
+		 .descript = "Current composition data page"},
+		{.dest = &comp_changed,
+		 .type = 'b',
+		 .name = "{0, 1}",
+		 .option = "comp-changed-mode",
+		 .descript = "Composition data has changed"},
+	};
+
+	bs_args_parse_all_cmd_line(argc, argv, args_struct);
+}
+
 static struct bt_mesh_models_metadata_entry *dummy_meta_entry[] = {};
 
 /* Empty elements to create large composition/meta data */
@@ -224,7 +260,7 @@ static void test_cli_max_sdu_comp_data_request(void)
 	if (err && err != -E2BIG) {
 		FAIL("CLIENT: Failed to get comp data Page 0: %d", err);
 	}
-	total_size = bt_mesh_comp_page_0_size();
+	total_size = bt_mesh_comp_page_size(0);
 
 	/* Get server composition data and check integrity */
 	ASSERT_OK(bt_mesh_large_comp_data_get(0, SRV_ADDR, page, offset, &srv_rsp));
@@ -238,12 +274,11 @@ static void test_cli_max_sdu_comp_data_request(void)
 static void test_cli_split_comp_data_request(void)
 {
 	int err;
-	uint8_t page = 0;
-	uint16_t offset, total_size, prev_len = 0;
+	uint16_t offset = 0, prev_len = 0;
 
-	NET_BUF_SIMPLE_DEFINE(local_comp, 200);
-	NET_BUF_SIMPLE_DEFINE(srv_rsp_comp_1, 64);
-	NET_BUF_SIMPLE_DEFINE(srv_rsp_comp_2, 64);
+	NET_BUF_SIMPLE_DEFINE(local_comp, CONFIG_BT_MESH_COMP_PST_BUF_SIZE);
+	NET_BUF_SIMPLE_DEFINE(srv_rsp_comp_1, 500);
+	NET_BUF_SIMPLE_DEFINE(srv_rsp_comp_2, 500);
 	net_buf_simple_init(&local_comp, 0);
 	net_buf_simple_init(&srv_rsp_comp_1, 0);
 	net_buf_simple_init(&srv_rsp_comp_2, 0);
@@ -255,32 +290,38 @@ static void test_cli_split_comp_data_request(void)
 		.data = &srv_rsp_comp_2,
 	};
 
-	bt_mesh_device_setup(&prov, &comp_1);
+	bt_mesh_device_setup(&prov, (comp_page == 0 || comp_page == 128) ? &comp_1 : &comp_2);
+	bt_mesh_comp2_register(&comp_p2);
 	prov_and_conf(cli_cfg);
-	target_node_alloc(comp_1, srv_cfg);
-
-	offset = 0;
+	target_node_alloc((comp_page == 0 || comp_page == 128) ? comp_1 : comp_2, srv_cfg);
 
 	/* Get local data */
-	err = bt_mesh_comp_data_get_page_0(&local_comp, offset);
+	err = bt_mesh_comp_data_get_page(&local_comp, comp_page, 0);
 	/* Operation is successful even if all data cannot fit in the buffer (-E2BIG) */
 	if (err && err != -E2BIG) {
-		FAIL("CLIENT: Failed to get comp data Page 0: %d", err);
+		FAIL("CLIENT: Failed to get comp data Page %d: %d", err, comp_page);
 	}
-	total_size = bt_mesh_comp_page_0_size();
+
+	uint16_t total_size = bt_mesh_comp_page_size(comp_page);
+
+	/* Verify that the total comp page size is not larger than the provided buffer */
+	ASSERT_TRUE(total_size <= CONFIG_BT_MESH_COMP_PST_BUF_SIZE);
+
+	/* Wait a bit until the server is ready to respond*/
+	k_sleep(K_SECONDS(2));
 
 	/* Get first server composition data sample and verify data */
-	ASSERT_OK(bt_mesh_large_comp_data_get(0, SRV_ADDR, page, offset, &srv_rsp_1));
-	rsp_equals_local_data_assert(SRV_ADDR, &srv_rsp_1, &local_comp, page, offset, total_size,
-				     &prev_len);
+	ASSERT_OK(bt_mesh_large_comp_data_get(0, SRV_ADDR, comp_page, offset, &srv_rsp_1));
+	rsp_equals_local_data_assert(SRV_ADDR, &srv_rsp_1, &local_comp, comp_page, offset,
+				     total_size, &prev_len);
 
 	prev_len = srv_rsp_comp_1.len;
-	offset += prev_len;
+	offset = prev_len;
 
 	/* Get next server composition data sample */
-	ASSERT_OK(bt_mesh_large_comp_data_get(0, SRV_ADDR, page, offset, &srv_rsp_2));
-	rsp_equals_local_data_assert(SRV_ADDR, &srv_rsp_2, &local_comp, page, offset, total_size,
-				     &prev_len);
+	ASSERT_OK(bt_mesh_large_comp_data_get(0, SRV_ADDR, comp_page, offset, &srv_rsp_2));
+	rsp_equals_local_data_assert(SRV_ADDR, &srv_rsp_2, &local_comp, comp_page, offset,
+				     total_size, &prev_len);
 
 	/* Check data integrity of merged sample data */
 	merge_and_compare_assert(&srv_rsp_comp_1, &srv_rsp_comp_2, &local_comp);
@@ -383,9 +424,16 @@ static void test_cli_split_metadata_request(void)
 
 static void test_srv_comp_data_status_respond(void)
 {
-	bt_mesh_device_setup(&prov, &comp_1);
+	bt_mesh_device_setup(&prov, (comp_page == 0 || comp_page == 128) ? &comp_1 : &comp_2);
+	bt_mesh_comp2_register(&comp_p2);
 	prov_and_conf(srv_cfg);
 
+	/* Simulate an update of composition data */
+	if (comp_changed) {
+		bt_mesh_comp_change_prepare();
+		atomic_set_bit(bt_mesh.flags, BT_MESH_COMP_DIRTY);
+	}
+
 	/* No server callback available. Wait 10 sec for message to be recived */
 	k_sleep(K_SECONDS(10));
 
@@ -411,6 +459,7 @@ static void test_srv_metadata_status_respond(void)
 	{                                                                                 \
 		.test_id = "lcd_" #role "_" #name,                                            \
 		.test_descr = description,                                                    \
+		.test_args_f = test_args_parse,                                               \
 		.test_tick_f = bt_mesh_test_timeout,                                          \
 		.test_post_init_f = test_##role##_init,                                       \
 		.test_main_f = test_##role##_##name,                                          \
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp0_data_split.sh
similarity index 76%
rename from tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_split.sh
rename to tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp0_data_split.sh
index 45d2c103246..d65326b3d7f 100755
--- a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_split.sh
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp0_data_split.sh
@@ -20,10 +20,11 @@ source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
 # 6. Client merges the two samples and checks that the collected data is
 #    correctly merged, continuous, and matches its local comp data.
 conf=prj_mesh1d1_conf
-RunTest mesh_lcd_test_split_comp_data \
-	lcd_cli_split_comp_data_request lcd_srv_comp_data_status_respond
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp0_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=0
 
 conf=prj_mesh1d1_conf
-overlay=overlay_psa_conf
-RunTest mesh_lcd_test_split_comp_data_psa \
-	lcd_cli_split_comp_data_request lcd_srv_comp_data_status_respond
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp0_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=0
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp0_data_split_dfu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp0_data_split_dfu.sh
new file mode 100755
index 00000000000..6a65a2492ed
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp0_data_split_dfu.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+# The test environment simulates a scenario where the server has completed DFU.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp0_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=0 comp-changed-mode=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp0_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=0 comp-changed-mode=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp128_data_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp128_data_split.sh
new file mode 100755
index 00000000000..77d4a1737a5
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp128_data_split.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp128_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=128
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp128_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=128
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp128_data_split_dfu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp128_data_split_dfu.sh
new file mode 100755
index 00000000000..9abdfd00dd7
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp128_data_split_dfu.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+# The test environment simulates a scenario where the server has completed DFU.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp128_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=128 comp-changed-mode=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp128_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=128 comp-changed-mode=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp129_data_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp129_data_split.sh
new file mode 100755
index 00000000000..fba1760cb36
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp129_data_split.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp129_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=129
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp129_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=129
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp129_data_split_dfu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp129_data_split_dfu.sh
new file mode 100755
index 00000000000..282c3425c81
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp129_data_split_dfu.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+# The test environment simulates a scenario where the server has completed DFU.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp129_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=129 comp-changed-mode=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp129_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=129 comp-changed-mode=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp130_data_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp130_data_split.sh
new file mode 100755
index 00000000000..e3e8f2bad85
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp130_data_split.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp130_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=130
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp130_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=130
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp130_data_split_dfu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp130_data_split_dfu.sh
new file mode 100755
index 00000000000..5daf32c54c0
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp130_data_split_dfu.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+# The test environment simulates a scenario where the server has completed DFU.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp130_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=130 comp-changed-mode=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp130_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=130 comp-changed-mode=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp1_data_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp1_data_split.sh
new file mode 100755
index 00000000000..bc24a9c9bf9
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp1_data_split.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp1_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp1_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp1_data_split_dfu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp1_data_split_dfu.sh
new file mode 100755
index 00000000000..59383bb18f1
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp1_data_split_dfu.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+# The test environment simulates a scenario where the server has completed DFU.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp1_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=1 comp-changed-mode=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp1_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=1 comp-changed-mode=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp2_data_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp2_data_split.sh
new file mode 100755
index 00000000000..53def43d5a0
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp2_data_split.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp2_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=2
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp2_data_split \
+	lcd_srv_comp_data_status_respond lcd_cli_split_comp_data_request -- -argstest page=2
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp2_data_split_dfu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp2_data_split_dfu.sh
new file mode 100755
index 00000000000..f314f00d6ef
--- /dev/null
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp2_data_split_dfu.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Copyright 2023 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
+
+# Test that the LCD server model is able to split the
+# composition data when the total size exceeds the maximum access message size.
+# The test environment simulates a scenario where the server has completed DFU.
+#
+# Test procedure:
+# 0. Provisioning and setup. Server and client has same comp data.
+# 1. Client requests a sample exceeding the maximum avaialble payload from the
+#    server's composition data.
+# 2. Client fetch its local comp data.
+# 3. When server status arrive, remove status field data and compare received
+#    comp data with corresponding bytes in local comp data.
+# 4. Client requests the next sample from server's composition data.
+# 5. When server status arrive, remove status field data and compare received
+#    comp data with correspending bytes in local comp data.
+# 6. Client merges the two samples and checks that the collected data is
+#    correctly merged, continuous, and matches its local comp data.
+conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
+RunTest mesh_lcd_test_comp2_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=2 comp-changed-mode=1
+
+conf=prj_mesh1d1_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
+RunTest mesh_lcd_test_comp2_data_split_dfu \
+	lcd_srv_comp_data_status_respond \
+	lcd_cli_split_comp_data_request -- -argstest page=2 comp-changed-mode=1
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_max_sdu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_max_sdu.sh
index 99f05637653..b050037ccf0 100755
--- a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_max_sdu.sh
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_comp_data_max_sdu.sh
@@ -15,10 +15,11 @@ source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
 #    comp data with local comp data and assure that the received message length
 #    is 378 bytes (380 bytes access payload).
 conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
 RunTest mesh_lcd_test_max_access_payload \
 	lcd_cli_max_sdu_comp_data_request lcd_srv_comp_data_status_respond
 
 conf=prj_mesh1d1_conf
-overlay=overlay_psa_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
 RunTest mesh_lcd_test_max_access_payload_psa \
 	lcd_cli_max_sdu_comp_data_request lcd_srv_comp_data_status_respond
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_max_sdu.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_max_sdu.sh
index 83cc788844f..9b0be5ea20f 100755
--- a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_max_sdu.sh
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_max_sdu.sh
@@ -16,10 +16,11 @@ source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
 # 4. Remove status field data and compare received metadata with
 #    local metadata data.
 conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
 RunTest mesh_lcd_test_max_metadata_access_payload \
 	lcd_cli_max_sdu_metadata_request lcd_srv_metadata_status_respond
 
 conf=prj_mesh1d1_conf
-overlay=overlay_psa_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
 RunTest mesh_lcd_test_max_metadata_access_payload_psa \
 	lcd_cli_max_sdu_metadata_request lcd_srv_metadata_status_respond
diff --git a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_split.sh b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_split.sh
index 622b4ce5dba..0e29e7d4219 100755
--- a/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_split.sh
+++ b/tests/bsim/bluetooth/mesh/tests_scripts/large_comp_data/get_metadata_split.sh
@@ -19,10 +19,11 @@ source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
 # 6. Client merges the two samples and checks that the collected data is
 #    correctly merged, continuous, and matches its local metadata.
 conf=prj_mesh1d1_conf
+overlay=overlay_pst_conf
 RunTest mesh_lcd_test_split_metadata \
 	lcd_cli_split_metadata_request lcd_srv_metadata_status_respond
 
 conf=prj_mesh1d1_conf
-overlay=overlay_psa_conf
+overlay="overlay_pst_conf_overlay_psa_conf"
 RunTest mesh_lcd_test_split_metadata_psa \
 	lcd_cli_split_metadata_request lcd_srv_metadata_status_respond