diff --git a/modules/mcuboot/Kconfig b/modules/mcuboot/Kconfig
index 2c5110bd2de..9cf321bafe3 100644
--- a/modules/mcuboot/Kconfig
+++ b/modules/mcuboot/Kconfig
@@ -76,9 +76,13 @@ config MCUBOOT_USE_ALL_AVAILABLE_RAM
 
 endmenu
 
+DT_CHOSEN_BOOTLOADER_REQUEST := nrf,bootloader-request
+DT_CHOSEN_BOOTLOADER_REQUEST_BACKUP := nrf,bootloader-request-backup
+
 config NRF_MCUBOOT_BOOT_REQUEST
 	bool "MCUboot bootloader requests"
 	imply MCUMGR_GRP_IMG_NRF
+	depends on $(dt_chosen_enabled,$(DT_CHOSEN_BOOTLOADER_REQUEST))
 	help
 	  Handle bootloader requests.
 
@@ -88,12 +92,10 @@ choice NRF_MCUBOOT_BOOT_REQUEST_IMPL
 	prompt "Shared memory backend"
 	default NRF_MCUBOOT_BOOT_REQUEST_IMPL_RETENTION if RETENTION
 
-DT_CHOSEN_BOOTLOADER_REQUEST := nrf,bootloader-request
-
 config NRF_MCUBOOT_BOOT_REQUEST_IMPL_RETENTION
 	bool "Retention"
 	depends on RETENTION
-	depends on $(dt_chosen_enabled,$(DT_CHOSEN_BOOTLOADER_REQUEST))
+	depends on $(dt_chosen_has_compat,$(DT_CHOSEN_BOOTLOADER_REQUEST),$(DT_COMPAT_ZEPHYR_RETENTION))
 	help
 	  Use zephyr,bootloader-request chosen node compatible with the
 	  zephyr,retention driver as the memory area to store and read from the
@@ -102,8 +104,30 @@ config NRF_MCUBOOT_BOOT_REQUEST_IMPL_RETENTION
 	  structure version to ensure compatibility between the bootloader and
 	  the application.
 
+config NRF_MCUBOOT_BOOT_REQUEST_IMPL_FLASH
+	bool "NVM partition"
+	depends on FLASH
+	depends on CRC
+	depends on !PARTITION_MANAGER_ENABLED # Partition manager uses an incompatible flash_map.h
+	help
+	  Use zephyr,bootloader-request chosen node compatible with the
+	  flash driver as the memory area to store and read from the bootloader
+	  requests.
+
 endchoice
 
+config NRF_MCUBOOT_BOOT_REQUEST_PREFERENCE_KEEP
+	bool "Keep boot preference value across reboots"
+	depends on $(dt_chosen_enabled,$(DT_CHOSEN_BOOTLOADER_REQUEST_BACKUP))
+	default y
+	help
+	  Use zephyr,bootloader-request-backup chosen node compatible with the
+	  zephyr,retention driver as the memory area to store a copy of
+	  bootloader requests.
+	  If this optional node is defined, the module will keep a copy of data
+	  inside a backup region, allowing to preserve the preferred slot
+	  selection across device resets.
+
 config NCS_MCUBOOT_BOOT_REQUEST_TEST_SETS_BOOT_PREFERENCE
 	bool "Set boot preference if a slot is marked for test"
 	help
diff --git a/samples/dfu/ab/Kconfig.sysbuild b/samples/dfu/ab/Kconfig.sysbuild
new file mode 100644
index 00000000000..146d6e623aa
--- /dev/null
+++ b/samples/dfu/ab/Kconfig.sysbuild
@@ -0,0 +1,21 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+if SOC_SERIES_NRF54HX
+
+# Enable radiocore
+config NRF_DEFAULT_IPC_RADIO
+	default y
+
+config NETCORE_IPC_RADIO_BT_HCI_IPC
+	default y
+
+config MCUBOOT_IMAGES_ROM_END_OFFSET_AUTO
+	default "ipc_radio;ipc_radio_secondary_app"
+
+endif # SOC_SERIES_NRF54HX
+
+source "share/sysbuild/Kconfig"
diff --git a/samples/dfu/ab/README.rst b/samples/dfu/ab/README.rst
index 9f6c59c6cee..cf93370469c 100644
--- a/samples/dfu/ab/README.rst
+++ b/samples/dfu/ab/README.rst
@@ -60,7 +60,9 @@ The following conditions decide which slot will be booted (active) on the next r
 #. If none of the above conditions is met, slot A is selected as active.
 
 You can set the preferred slot using the ``boot_request_set_preferred_slot`` function.
-Currently, this only sets the boot preference for a single reboot.
+If the :kconfig:option:`CONFIG_NRF_MCUBOOT_BOOT_REQUEST_PREFERENCE_KEEP` option is enabled, the slot preference remains persistent across reboots.
+Otherwise, the slot preference is cleared on reboot.
+To enable the persistence of a preferred slot, define a backup region for the bootloader request area by using the ``nrf,bootloader-request-backup`` chosen node in the devicetree.
 
 Identifying the active slot
 ---------------------------
diff --git a/samples/dfu/ab/boards/nrf54l15dk_nrf54l15_cpuapp.conf b/samples/dfu/ab/boards/nrf54l15dk_nrf54l15_cpuapp.conf
new file mode 100644
index 00000000000..7c93a8385b4
--- /dev/null
+++ b/samples/dfu/ab/boards/nrf54l15dk_nrf54l15_cpuapp.conf
@@ -0,0 +1,3 @@
+# Enable boot requests through retained memory.
+CONFIG_RETAINED_MEM=y
+CONFIG_RETENTION=y
diff --git a/samples/dfu/ab/prj.conf b/samples/dfu/ab/prj.conf
index 7175e6985e7..f50ec43445c 100644
--- a/samples/dfu/ab/prj.conf
+++ b/samples/dfu/ab/prj.conf
@@ -41,14 +41,9 @@ CONFIG_MCUBOOT_UTIL_LOG_LEVEL_WRN=y
 # Disable debug logging
 CONFIG_LOG_MAX_LEVEL=3
 
-# Enable boot requests through retained memory.
-CONFIG_RETAINED_MEM=y
-CONFIG_RETENTION=y
+# Enable boot requests.
 CONFIG_NRF_MCUBOOT_BOOT_REQUEST=y
 
-CONFIG_RETENTION_BOOT_MODE=y
-CONFIG_MCUMGR_GRP_OS_RESET_BOOT_MODE=y
-
 # Enable DK LED/button library
 CONFIG_DK_LIBRARY=y
 
diff --git a/samples/dfu/ab/src/ab_utils.c b/samples/dfu/ab/src/ab_utils.c
index 1bcfe0dec52..741afe0e0e8 100644
--- a/samples/dfu/ab/src/ab_utils.c
+++ b/samples/dfu/ab/src/ab_utils.c
@@ -58,12 +58,6 @@ LOG_MODULE_DECLARE(ab_sample);
 #define STATUS_LEDS_THREAD_PRIORITY (CONFIG_NUM_PREEMPT_PRIORITIES - 1)
 K_THREAD_STACK_DEFINE(status_leds_thread_stack_area, STATUS_LEDS_THREAD_STACK_SIZE);
 
-enum ab_boot_slot {
-	SLOT_A = 0,
-	SLOT_B = 1,
-	SLOT_INVALID,
-};
-
 /** @brief Radio firmware self test
  *
  * @details
@@ -91,14 +85,14 @@ static bool app_domain_healthy(void)
 	return true;
 }
 
-static enum ab_boot_slot active_boot_slot_get(void)
+static enum boot_slot active_boot_slot_get(void)
 {
-	enum ab_boot_slot active_slot = SLOT_INVALID;
+	enum boot_slot active_slot = BOOT_SLOT_NONE;
 
 	if (IS_SLOT_A) {
-		active_slot = SLOT_A;
+		active_slot = BOOT_SLOT_PRIMARY;
 	} else if (IS_SLOT_B) {
-		active_slot = SLOT_B;
+		active_slot = BOOT_SLOT_SECONDARY;
 	} else {
 		LOG_ERR("Cannot determine current slot");
 	}
@@ -106,26 +100,64 @@ static enum ab_boot_slot active_boot_slot_get(void)
 	return active_slot;
 }
 
-static void device_healthcheck(void)
+static bool slot_confirmed(enum boot_slot slot)
 {
-	int err;
-	char *img_set = NULL;
+	struct boot_swap_state state;
 	const struct flash_area *fa;
 	int area_id = -1;
-	enum ab_boot_slot active_slot = active_boot_slot_get();
-
-	if (active_slot == SLOT_INVALID) {
-		return;
-	}
+	char *img_set = NULL;
+	bool confirmed = false;
+	int ret;
 
-	/* Confirming only in non-degraded boot states
-	 */
-	if (active_slot == SLOT_A) {
+	if (slot == BOOT_SLOT_PRIMARY) {
 		img_set = "A";
 		area_id = SLOT_A_FLASH_AREA_ID;
-	} else if (active_slot == SLOT_B) {
+	} else if (slot == BOOT_SLOT_SECONDARY) {
 		img_set = "B";
 		area_id = SLOT_B_FLASH_AREA_ID;
+	} else {
+		LOG_ERR("Cannot determine slot to check for confirmation");
+		return false;
+	}
+
+	if (flash_area_open(area_id, &fa) != 0) {
+		LOG_ERR("Cannot open flash area for slot %s", img_set);
+		return false;
+	}
+
+	ret = boot_read_swap_state(fa, &state);
+	if (ret != 0) {
+		LOG_ERR("Cannot read swap state for slot %s", img_set);
+	} else if (state.image_ok == BOOT_FLAG_SET) {
+		confirmed = true;
+	} else {
+		confirmed = false;
+	}
+
+	flash_area_close(fa);
+
+	return confirmed;
+}
+
+static void device_healthcheck(void)
+{
+	int err;
+	char *img_set = NULL;
+	enum boot_slot active_slot = active_boot_slot_get();
+
+	/* Confirming only in non-degraded boot states */
+	if (active_slot == BOOT_SLOT_PRIMARY) {
+		img_set = "A";
+	} else if (active_slot == BOOT_SLOT_SECONDARY) {
+		img_set = "B";
+	} else {
+		LOG_ERR("Cannot determine active slot for health check");
+		return;
+	}
+
+	if (slot_confirmed(active_slot)) {
+		LOG_INF("Slot %s already confirmed, no action needed", img_set);
+		return;
 	}
 
 	LOG_INF("Testing image set %s...", img_set);
@@ -149,14 +181,7 @@ static void device_healthcheck(void)
 
 	LOG_INF("Confirming...");
 
-	if (flash_area_open(area_id, &fa) != 0) {
-		LOG_ERR("Cannot open flash area for slot %s", img_set);
-		return;
-	}
-
-	err = boot_set_next(fa, true, true);
-
-	flash_area_close(fa);
+	err = boot_request_confirm_slot(ACTIVE_IMAGE, active_slot);
 	if (err == 0) {
 		LOG_INF("Confirmed\n");
 	} else {
@@ -164,25 +189,32 @@ static void device_healthcheck(void)
 	}
 }
 
-static void select_slot_for_single_boot(enum ab_boot_slot slot)
+static void select_slot_for_single_boot(enum boot_slot slot)
 {
 	int err = 0;
-	char active_slot = (active_boot_slot_get() == SLOT_A) ? 'A' : 'B';
-	enum boot_slot new_slot = BOOT_SLOT_NONE;
+	char active_slot = (active_boot_slot_get() == BOOT_SLOT_PRIMARY) ? 'A' : 'B';
 
-	if (slot == SLOT_A) {
+#ifdef CONFIG_NRF_MCUBOOT_BOOT_REQUEST_PREFERENCE_KEEP
+	if (slot == BOOT_SLOT_PRIMARY) {
+		LOG_INF("Switching slots (%c -> A)", active_slot);
+	} else if (slot == BOOT_SLOT_SECONDARY) {
+		LOG_INF("Switching slots (%c -> B)", active_slot);
+	} else {
+		LOG_ERR("Cannot determine active slot, cannot toggle");
+		return;
+	}
+#else
+	if (slot == BOOT_SLOT_PRIMARY) {
 		LOG_INF("Temporarily switching slots (%c -> A)", active_slot);
-		new_slot = BOOT_SLOT_PRIMARY;
-	} else if (slot == SLOT_B) {
+	} else if (slot == BOOT_SLOT_SECONDARY) {
 		LOG_INF("Temporarily switching slots (%c -> B)", active_slot);
-		new_slot = BOOT_SLOT_SECONDARY;
 	} else {
 		LOG_ERR("Cannot determine active slot, cannot toggle");
 		return;
 	}
+#endif
 
-	err = boot_request_set_preferred_slot(ACTIVE_IMAGE, new_slot);
-
+	err = boot_request_set_preferred_slot(ACTIVE_IMAGE, slot);
 	if (err == 0) {
 		LOG_INF("Slot toggled, restart the device to enforce");
 	} else {
@@ -192,11 +224,11 @@ static void select_slot_for_single_boot(enum ab_boot_slot slot)
 
 static void boot_state_report(void)
 {
-	enum ab_boot_slot active_slot = active_boot_slot_get();
+	enum boot_slot active_slot = active_boot_slot_get();
 
-	if (active_slot == SLOT_A) {
+	if (active_slot == BOOT_SLOT_PRIMARY) {
 		LOG_INF("Booted from slot A");
-	} else if (active_slot == SLOT_B) {
+	} else if (active_slot == BOOT_SLOT_SECONDARY) {
 		LOG_INF("Booted from slot B");
 	} else {
 		LOG_INF("Cannot determine active slot");
@@ -206,9 +238,9 @@ static void boot_state_report(void)
 static void button_handler(uint32_t button_state, uint32_t has_changed)
 {
 	if ((has_changed & DK_BTN1_MSK) && (button_state & DK_BTN1_MSK)) {
-		select_slot_for_single_boot(SLOT_A);
+		select_slot_for_single_boot(BOOT_SLOT_PRIMARY);
 	} else if ((has_changed & DK_BTN2_MSK) && (button_state & DK_BTN2_MSK)) {
-		select_slot_for_single_boot(SLOT_B);
+		select_slot_for_single_boot(BOOT_SLOT_SECONDARY);
 	}
 }
 
@@ -217,11 +249,11 @@ struct k_thread status_leds_thread_data;
 static void status_leds_thread_entry_point(void *p1, void *p2, void *p3)
 {
 	int blinking_led = DK_LED1;
-	enum ab_boot_slot active_slot = active_boot_slot_get();
+	enum boot_slot active_slot = active_boot_slot_get();
 
-	if (active_slot == SLOT_A) {
+	if (active_slot == BOOT_SLOT_PRIMARY) {
 		blinking_led = DK_LED1;
-	} else if (active_slot == SLOT_B) {
+	} else if (active_slot == BOOT_SLOT_SECONDARY) {
 		blinking_led = DK_LED2;
 	} else {
 		return;
diff --git a/samples/dfu/ab/sysbuild.conf b/samples/dfu/ab/sysbuild.conf
index dae39d655ae..410d2d0dd1e 100644
--- a/samples/dfu/ab/sysbuild.conf
+++ b/samples/dfu/ab/sysbuild.conf
@@ -1,10 +1,5 @@
 # Enable MCUboot bootloader support
 SB_CONFIG_BOOTLOADER_MCUBOOT=y
 
-# Enable radiocore
-SB_CONFIG_NETCORE_IPC_RADIO=y
-SB_CONFIG_NETCORE_IPC_RADIO_BT_HCI_IPC=y
-
 # Enable direct XIP with revert support
 SB_CONFIG_MCUBOOT_MODE_DIRECT_XIP_WITH_REVERT=y
-SB_CONFIG_MCUBOOT_IMAGES_ROM_END_OFFSET_AUTO="ipc_radio;ipc_radio_secondary_app"
diff --git a/samples/dfu/ab/sysbuild/mcuboot/boards/nrf54l15dk_nrf54l15_cpuapp.conf b/samples/dfu/ab/sysbuild/mcuboot/boards/nrf54l15dk_nrf54l15_cpuapp.conf
index 077bd792d5d..56c4ca86e3a 100644
--- a/samples/dfu/ab/sysbuild/mcuboot/boards/nrf54l15dk_nrf54l15_cpuapp.conf
+++ b/samples/dfu/ab/sysbuild/mcuboot/boards/nrf54l15dk_nrf54l15_cpuapp.conf
@@ -7,3 +7,7 @@ CONFIG_PM_PARTITION_SIZE_MCUBOOT=0x10800
 # CONFIG_LOG=n
 # CONFIG_FPROTECT=y
 CONFIG_FPROTECT=n
+
+# Enable boot requests through retained memory.
+CONFIG_RETAINED_MEM=y
+CONFIG_RETENTION=y
diff --git a/samples/dfu/ab/sysbuild/mcuboot/prj.conf b/samples/dfu/ab/sysbuild/mcuboot/prj.conf
index 1d44edf17d6..bd47682f8a1 100644
--- a/samples/dfu/ab/sysbuild/mcuboot/prj.conf
+++ b/samples/dfu/ab/sysbuild/mcuboot/prj.conf
@@ -1,12 +1,10 @@
-# Enable boot requests through retained memory.
-CONFIG_RETAINED_MEM=y
-CONFIG_RETENTION=y
+# Enable boot requests.
+CONFIG_CRC=y
 CONFIG_NRF_MCUBOOT_BOOT_REQUEST=y
 
 CONFIG_NRF_SECURITY=y
 CONFIG_MULTITHREADING=y
 
-
 # Configuration below is copied from mcuboot/boot/zephyr/prj.conf, as creating
 # the sysbuild/mcuboot directory inside a sample removes the default configuration.
 
diff --git a/samples/dfu/ab/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi b/samples/dfu/ab/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi
index 7b02298b764..aee86c58f7c 100644
--- a/samples/dfu/ab/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi
+++ b/samples/dfu/ab/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi
@@ -53,37 +53,20 @@
 		cpurad_slot1_partition: partition@152000 {
 			reg = <0x152000 DT_SIZE_K(328)>;
 		};
+
+		boot_request: partition@1ad000 {
+			reg = <0x1ad000 16>;
+		};
+
+		boot_request_backup: partition@1ad010 {
+			reg = <0x1ad010 16>;
+		};
 	};
 };
 
 / {
 	chosen {
 		nrf,bootloader-request = &boot_request;
-	};
-};
-
-/ {
-	reserved-memory {
-		cpuapp_retained_mem: memory@e1ad000 {
-			compatible = "zephyr,memory-region";
-			reg = <0xe1ad000 DT_SIZE_K(4)>;
-			zephyr,memory-region = "RetainedMem";
-			status = "okay";
-
-			retainedmem {
-				compatible = "zephyr,retained-ram";
-				status = "okay";
-				#address-cells = <1>;
-				#size-cells = <1>;
-
-				boot_request: boot_request@0 {
-					compatible = "zephyr,retention";
-					status = "okay";
-					reg = <0x0 16>;
-					prefix = [0B 01];
-					checksum = <4>;
-				};
-			};
-		};
+		nrf,bootloader-request-backup = &boot_request_backup;
 	};
 };
diff --git a/samples/dfu/ab_split/README.rst b/samples/dfu/ab_split/README.rst
index 01da0a0de5b..9dabddbf302 100644
--- a/samples/dfu/ab_split/README.rst
+++ b/samples/dfu/ab_split/README.rst
@@ -83,7 +83,9 @@ The following conditions decide which slot is considered *active* and is booted
 #. For all other images, the same slot is selected.
 
 You can set the preferred slot using the ``boot_request_set_preferred_slot`` function.
-Currently, this only sets the boot preference for a single reboot.
+If the :kconfig:option:`CONFIG_NRF_MCUBOOT_BOOT_REQUEST_PREFERENCE_KEEP` option is enabled, the slot preference remains persistent across reboots..
+Otherwise, the slot preference is cleared on reboot.
+To enable the persistence of a preferred slot, define a backup region for the bootloader request area by using the ``nrf,bootloader-request-backup`` chosen node in the devicetree.
 
 Identifying the active slot
 ---------------------------
diff --git a/samples/dfu/ab_split/prj.conf b/samples/dfu/ab_split/prj.conf
index f5bce24ff90..a46a995e35d 100644
--- a/samples/dfu/ab_split/prj.conf
+++ b/samples/dfu/ab_split/prj.conf
@@ -41,14 +41,9 @@ CONFIG_MCUBOOT_UTIL_LOG_LEVEL_WRN=y
 # Disable debug logging
 CONFIG_LOG_MAX_LEVEL=3
 
-# Enable boot requests through retained memory.
-CONFIG_RETAINED_MEM=y
-CONFIG_RETENTION=y
+# Enable boot requests.
 CONFIG_NRF_MCUBOOT_BOOT_REQUEST=y
 
-CONFIG_RETENTION_BOOT_MODE=y
-CONFIG_MCUMGR_GRP_OS_RESET_BOOT_MODE=y
-
 # Enable DK LED/button library
 CONFIG_DK_LIBRARY=y
 
@@ -102,5 +97,7 @@ CONFIG_DEVMEM_SHELL=n
 CONFIG_FLASH_SHELL=n
 
 # Read bootloader version and security counters values from the retained RAM
+CONFIG_RETAINED_MEM=y
+CONFIG_RETENTION=y
 CONFIG_RETENTION_BOOTLOADER_INFO=y
 CONFIG_RETENTION_BOOTLOADER_INFO_TYPE_MCUBOOT=y
diff --git a/samples/dfu/ab_split/src/ab_utils.c b/samples/dfu/ab_split/src/ab_utils.c
index f1011295336..8160366cc78 100644
--- a/samples/dfu/ab_split/src/ab_utils.c
+++ b/samples/dfu/ab_split/src/ab_utils.c
@@ -14,15 +14,11 @@
 
 LOG_MODULE_DECLARE(ab_sample);
 
-#define ACTIVE_IMAGE 0
-
 #define CODE_PARTITION DT_CHOSEN(zephyr_code_partition)
 #define CODE_PARTITION_OFFSET FIXED_PARTITION_NODE_OFFSET(CODE_PARTITION)
 
 #define SLOT_A_PARTITION cpuapp_slot0_partition
 #define SLOT_B_PARTITION cpuapp_slot1_partition
-#define CPURAD_SLOT_A_PARTITION cpurad_slot0_partition
-#define CPURAD_SLOT_B_PARTITION cpurad_slot1_partition
 
 #define SLOT_A_OFFSET FIXED_PARTITION_OFFSET(SLOT_A_PARTITION)
 #define SLOT_B_OFFSET FIXED_PARTITION_OFFSET(SLOT_B_PARTITION)
@@ -31,8 +27,6 @@ LOG_MODULE_DECLARE(ab_sample);
 
 #define SLOT_A_FLASH_AREA_ID FIXED_PARTITION_ID(SLOT_A_PARTITION)
 #define SLOT_B_FLASH_AREA_ID FIXED_PARTITION_ID(SLOT_B_PARTITION)
-#define CPURAD_SLOT_A_FLASH_AREA_ID FIXED_PARTITION_ID(CPURAD_SLOT_A_PARTITION)
-#define CPURAD_SLOT_B_FLASH_AREA_ID FIXED_PARTITION_ID(CPURAD_SLOT_B_PARTITION)
 
 #define IS_SLOT_A                                                                                  \
 	(CODE_PARTITION_OFFSET >= SLOT_A_OFFSET &&                                                 \
@@ -45,12 +39,6 @@ LOG_MODULE_DECLARE(ab_sample);
 #define STATUS_LEDS_THREAD_PRIORITY (CONFIG_NUM_PREEMPT_PRIORITIES - 1)
 K_THREAD_STACK_DEFINE(status_leds_thread_stack_area, STATUS_LEDS_THREAD_STACK_SIZE);
 
-enum ab_boot_slot {
-	SLOT_A = 0,
-	SLOT_B = 1,
-	SLOT_INVALID,
-};
-
 /** @brief Radio firmware self test
  *
  * @details
@@ -78,14 +66,14 @@ static bool app_domain_healthy(void)
 	return true;
 }
 
-static enum ab_boot_slot active_boot_slot_get(void)
+static enum boot_slot active_boot_slot_get(void)
 {
-	enum ab_boot_slot active_slot = SLOT_INVALID;
+	enum boot_slot active_slot = BOOT_SLOT_NONE;
 
 	if (IS_SLOT_A) {
-		active_slot = SLOT_A;
+		active_slot = BOOT_SLOT_PRIMARY;
 	} else if (IS_SLOT_B) {
-		active_slot = SLOT_B;
+		active_slot = BOOT_SLOT_SECONDARY;
 	} else {
 		LOG_ERR("Cannot determine current slot");
 	}
@@ -93,29 +81,64 @@ static enum ab_boot_slot active_boot_slot_get(void)
 	return active_slot;
 }
 
-static void device_healthcheck(void)
+static bool slot_confirmed(enum boot_slot slot)
 {
-	int err;
-	char *img_set = NULL;
+	struct boot_swap_state state;
 	const struct flash_area *fa;
 	int area_id = -1;
-	int cpurad_area_id = -1;
-	enum ab_boot_slot active_slot = active_boot_slot_get();
-
-	if (active_slot == SLOT_INVALID) {
-		return;
-	}
+	char *img_set = NULL;
+	bool confirmed = false;
+	int ret;
 
-	/* Confirming only in non-degraded boot states
-	 */
-	if (active_slot == SLOT_A) {
+	if (slot == BOOT_SLOT_PRIMARY) {
 		img_set = "A";
 		area_id = SLOT_A_FLASH_AREA_ID;
-		cpurad_area_id = CPURAD_SLOT_A_FLASH_AREA_ID;
-	} else if (active_slot == SLOT_B) {
+	} else if (slot == BOOT_SLOT_SECONDARY) {
 		img_set = "B";
 		area_id = SLOT_B_FLASH_AREA_ID;
-		cpurad_area_id = CPURAD_SLOT_B_FLASH_AREA_ID;
+	} else {
+		LOG_ERR("Cannot determine slot to check for confirmation");
+		return false;
+	}
+
+	if (flash_area_open(area_id, &fa) != 0) {
+		LOG_ERR("Cannot open flash area for slot %s", img_set);
+		return false;
+	}
+
+	ret = boot_read_swap_state(fa, &state);
+	if (ret != 0) {
+		LOG_ERR("Cannot read swap state for slot %s", img_set);
+	} else if (state.image_ok == BOOT_FLAG_SET) {
+		confirmed = true;
+	} else {
+		confirmed = false;
+	}
+
+	flash_area_close(fa);
+
+	return confirmed;
+}
+
+static void device_healthcheck(void)
+{
+	int err;
+	char *img_set = NULL;
+	enum boot_slot active_slot = active_boot_slot_get();
+
+	/* Confirming only in non-degraded boot states */
+	if (active_slot == BOOT_SLOT_PRIMARY) {
+		img_set = "A";
+	} else if (active_slot == BOOT_SLOT_SECONDARY) {
+		img_set = "B";
+	} else {
+		LOG_ERR("Cannot determine active slot for health check");
+		return;
+	}
+
+	if (slot_confirmed(active_slot)) {
+		LOG_INF("Slot %s already confirmed, no action needed", img_set);
+		return;
 	}
 
 	LOG_INF("Testing image set %s...", img_set);
@@ -139,54 +162,40 @@ static void device_healthcheck(void)
 
 	LOG_INF("Confirming...");
 
-	if (flash_area_open(area_id, &fa) != 0) {
-		LOG_ERR("Cannot open flash area for application slot %s", img_set);
-		return;
-	}
-
-	err = boot_set_next(fa, true, true);
-
-	flash_area_close(fa);
-	if (err == 0) {
-		LOG_INF("Application confirmed\n");
-	} else {
-		LOG_ERR("Failed to confirm application, err: %d", err);
-	}
-
-	if (flash_area_open(cpurad_area_id, &fa) != 0) {
-		LOG_ERR("Cannot open flash area for radio slot %s", img_set);
-		return;
-	}
-
-	err = boot_set_next(fa, true, true);
-
-	flash_area_close(fa);
+	err = boot_request_confirm_slot(CONFIG_NCS_MCUBOOT_MANIFEST_IMAGE_INDEX, active_slot);
 	if (err == 0) {
-		LOG_INF("Radio confirmed\n");
+		LOG_INF("Confirmed\n");
 	} else {
-		LOG_ERR("Failed to confirm radio, err: %d", err);
+		LOG_ERR("Failed to confirm, err: %d", err);
 	}
 }
 
-static void select_slot_for_single_boot(enum ab_boot_slot slot)
+static void select_slot_for_single_boot(enum boot_slot slot)
 {
 	int err = 0;
-	char active_slot = (active_boot_slot_get() == SLOT_A) ? 'A' : 'B';
-	enum boot_slot new_slot = BOOT_SLOT_NONE;
+	char active_slot = (active_boot_slot_get() == BOOT_SLOT_PRIMARY) ? 'A' : 'B';
 
-	if (slot == SLOT_A) {
+#ifdef CONFIG_NRF_MCUBOOT_BOOT_REQUEST_PREFERENCE_KEEP
+	if (slot == BOOT_SLOT_PRIMARY) {
+		LOG_INF("Switching slots (%c -> A)", active_slot);
+	} else if (slot == BOOT_SLOT_SECONDARY) {
+		LOG_INF("Switching slots (%c -> B)", active_slot);
+	} else {
+		LOG_ERR("Cannot determine active slot, cannot toggle");
+		return;
+	}
+#else
+	if (slot == BOOT_SLOT_PRIMARY) {
 		LOG_INF("Temporarily switching slots (%c -> A)", active_slot);
-		new_slot = BOOT_SLOT_PRIMARY;
-	} else if (slot == SLOT_B) {
+	} else if (slot == BOOT_SLOT_SECONDARY) {
 		LOG_INF("Temporarily switching slots (%c -> B)", active_slot);
-		new_slot = BOOT_SLOT_SECONDARY;
 	} else {
 		LOG_ERR("Cannot determine active slot, cannot toggle");
 		return;
 	}
+#endif
 
-	err = boot_request_set_preferred_slot(ACTIVE_IMAGE, new_slot);
-
+	err = boot_request_set_preferred_slot(CONFIG_NCS_MCUBOOT_MANIFEST_IMAGE_INDEX, slot);
 	if (err == 0) {
 		LOG_INF("Slot toggled, restart the device to enforce");
 	} else {
@@ -196,11 +205,11 @@ static void select_slot_for_single_boot(enum ab_boot_slot slot)
 
 static void boot_state_report(void)
 {
-	enum ab_boot_slot active_slot = active_boot_slot_get();
+	enum boot_slot active_slot = active_boot_slot_get();
 
-	if (active_slot == SLOT_A) {
+	if (active_slot == BOOT_SLOT_PRIMARY) {
 		LOG_INF("Booted from slot A");
-	} else if (active_slot == SLOT_B) {
+	} else if (active_slot == BOOT_SLOT_SECONDARY) {
 		LOG_INF("Booted from slot B");
 	} else {
 		LOG_INF("Cannot determine active slot");
@@ -210,9 +219,9 @@ static void boot_state_report(void)
 static void button_handler(uint32_t button_state, uint32_t has_changed)
 {
 	if ((has_changed & DK_BTN1_MSK) && (button_state & DK_BTN1_MSK)) {
-		select_slot_for_single_boot(SLOT_A);
+		select_slot_for_single_boot(BOOT_SLOT_PRIMARY);
 	} else if ((has_changed & DK_BTN2_MSK) && (button_state & DK_BTN2_MSK)) {
-		select_slot_for_single_boot(SLOT_B);
+		select_slot_for_single_boot(BOOT_SLOT_SECONDARY);
 	}
 }
 
@@ -221,11 +230,11 @@ struct k_thread status_leds_thread_data;
 static void status_leds_thread_entry_point(void *p1, void *p2, void *p3)
 {
 	int blinking_led = DK_LED1;
-	enum ab_boot_slot active_slot = active_boot_slot_get();
+	enum boot_slot active_slot = active_boot_slot_get();
 
-	if (active_slot == SLOT_A) {
+	if (active_slot == BOOT_SLOT_PRIMARY) {
 		blinking_led = DK_LED1;
-	} else if (active_slot == SLOT_B) {
+	} else if (active_slot == BOOT_SLOT_SECONDARY) {
 		blinking_led = DK_LED2;
 	} else {
 		return;
diff --git a/samples/dfu/ab_split/sysbuild/mcuboot/prj.conf b/samples/dfu/ab_split/sysbuild/mcuboot/prj.conf
index d0db88e2c8d..4bbe1c8d683 100644
--- a/samples/dfu/ab_split/sysbuild/mcuboot/prj.conf
+++ b/samples/dfu/ab_split/sysbuild/mcuboot/prj.conf
@@ -1,6 +1,5 @@
-# Enable boot requests through retained memory.
-CONFIG_RETAINED_MEM=y
-CONFIG_RETENTION=y
+# Enable boot requests.
+CONFIG_CRC=y
 CONFIG_NRF_MCUBOOT_BOOT_REQUEST=y
 
 CONFIG_NRF_SECURITY=y
@@ -32,6 +31,8 @@ CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=0
 CONFIG_NCS_APPLICATION_BOOT_BANNER_STRING="MCUboot"
 
 # Expose bootloader version and security counter through retention
+CONFIG_RETAINED_MEM=y
+CONFIG_RETENTION=y
 CONFIG_BOOT_SHARE_DATA=y
 CONFIG_BOOT_SHARE_DATA_BOOTINFO=y
 CONFIG_BOOT_SHARE_BACKEND_RETENTION=y
diff --git a/samples/dfu/ab_split/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi b/samples/dfu/ab_split/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi
index 07406e34302..93fa4ee5f03 100644
--- a/samples/dfu/ab_split/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi
+++ b/samples/dfu/ab_split/sysbuild/nrf54h20dk_nrf54h20_memory_map.dtsi
@@ -7,35 +7,24 @@
 / {
 	chosen {
 		nrf,bootloader-request = &boot_request;
+		nrf,bootloader-request-backup = &boot_request_backup;
 		zephyr,bootloader-info = &boot_info0;
 	};
 };
 
-/ {
-	reserved-memory {
-		cpuapp_retained_mem: memory@e1ad000 {
-			compatible = "zephyr,memory-region";
-			reg = <0xe1ad000 DT_SIZE_K(4)>;
-			zephyr,memory-region = "RetainedNvm";
-			status = "okay";
-
-			retainedmem {
-				compatible = "zephyr,retained-ram";
-				status = "okay";
-				#address-cells = <1>;
-				#size-cells = <1>;
+&mram1x {
+	partitions {
+		boot_request: partition@1ad000 {
+			reg = <0x1ad000 16>;
+		};
 
-				boot_request: boot_request@0 {
-					compatible = "zephyr,retention";
-					status = "okay";
-					reg = <0x0 16>;
-					prefix = [0B 01];
-					checksum = <4>;
-				};
-			};
+		boot_request_backup: partition@1ad010 {
+			reg = <0x1ad010 16>;
 		};
 	};
+};
 
+/ {
 	sram@22007FC0 {
 		compatible = "zephyr,memory-region", "mmio-sram";
 		reg = <0x22007FC0 0x40>;
diff --git a/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_requests.conf b/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_requests.conf
index 093368d1bbf..2103cea6b0f 100644
--- a/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_requests.conf
+++ b/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot_requests.conf
@@ -1,4 +1,3 @@
-# Enable boot requests through retained memory.
-CONFIG_RETAINED_MEM=y
-CONFIG_RETENTION=y
+# Enable boot requests.
+CONFIG_CRC=y
 CONFIG_NRF_MCUBOOT_BOOT_REQUEST=y
diff --git a/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/nrf54h20dk_nrf54h20_memory_map_requests.dtsi b/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/nrf54h20dk_nrf54h20_memory_map_requests.dtsi
index 7b02298b764..aee86c58f7c 100644
--- a/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/nrf54h20dk_nrf54h20_memory_map_requests.dtsi
+++ b/samples/zephyr/subsys/mgmt/mcumgr/smp_svr/sysbuild/nrf54h20dk_nrf54h20_memory_map_requests.dtsi
@@ -53,37 +53,20 @@
 		cpurad_slot1_partition: partition@152000 {
 			reg = <0x152000 DT_SIZE_K(328)>;
 		};
+
+		boot_request: partition@1ad000 {
+			reg = <0x1ad000 16>;
+		};
+
+		boot_request_backup: partition@1ad010 {
+			reg = <0x1ad010 16>;
+		};
 	};
 };
 
 / {
 	chosen {
 		nrf,bootloader-request = &boot_request;
-	};
-};
-
-/ {
-	reserved-memory {
-		cpuapp_retained_mem: memory@e1ad000 {
-			compatible = "zephyr,memory-region";
-			reg = <0xe1ad000 DT_SIZE_K(4)>;
-			zephyr,memory-region = "RetainedMem";
-			status = "okay";
-
-			retainedmem {
-				compatible = "zephyr,retained-ram";
-				status = "okay";
-				#address-cells = <1>;
-				#size-cells = <1>;
-
-				boot_request: boot_request@0 {
-					compatible = "zephyr,retention";
-					status = "okay";
-					reg = <0x0 16>;
-					prefix = [0B 01];
-					checksum = <4>;
-				};
-			};
-		};
+		nrf,bootloader-request-backup = &boot_request_backup;
 	};
 };
diff --git a/west.yml b/west.yml
index 939b9c1b89c..c1b61723feb 100644
--- a/west.yml
+++ b/west.yml
@@ -126,7 +126,7 @@ manifest:
           compare-by-default: true
     - name: mcuboot
       repo-path: sdk-mcuboot
-      revision: 66d5c91c080c0817b24c2e9586d26b57f8c9baf6
+      revision: 024e7d58d50e2f3237c8aa4ab20dfc2cd79a8455
       path: bootloader/mcuboot
     - name: qcbor
       url: https://github.com/laurencelundblade/QCBOR