diff --git a/subsys/mpsl/pm/Kconfig b/subsys/mpsl/pm/Kconfig
index f4125e82bdfa..490e61cc43b1 100644
--- a/subsys/mpsl/pm/Kconfig
+++ b/subsys/mpsl/pm/Kconfig
@@ -9,5 +9,6 @@ config MPSL_USE_ZEPHYR_PM
 	depends on SOC_SERIES_NRF54HX
 	depends on MPSL
 	depends on PM
+	default y
 	help
 	  This option configures MPSL to use Zephyr's Power Management.
diff --git a/subsys/mpsl/pm/mpsl_pm_utils.c b/subsys/mpsl/pm/mpsl_pm_utils.c
index 04a81bcfa4c9..156e8bf5e168 100644
--- a/subsys/mpsl/pm/mpsl_pm_utils.c
+++ b/subsys/mpsl/pm/mpsl_pm_utils.c
@@ -21,7 +21,8 @@ LOG_MODULE_REGISTER(mpsl_pm_utils, CONFIG_MPSL_LOG_LEVEL);
  * margins and allow optimal power savings.
  */
 #define TIME_TO_REGISTER_EVENT_IN_ZEPHYR_US 1000
-#define PM_MAX_LATENCY_HCI_COMMANDS_US 499999
+/* depends on min-residency-us of idle RAM not retained*/
+#define PM_MAX_LATENCY_HCI_COMMANDS_US (1000 - 1)
 
 static void m_work_handler(struct k_work *work);
 static K_WORK_DELAYABLE_DEFINE(pm_work, m_work_handler);
diff --git a/tests/subsys/mpsl/pm/pm_test.c b/tests/subsys/mpsl/pm/pm_test.c
index 0c9339abc522..5554281ca8c0 100644
--- a/tests/subsys/mpsl/pm/pm_test.c
+++ b/tests/subsys/mpsl/pm/pm_test.c
@@ -18,7 +18,7 @@
 
 #include <mpsl/mpsl_pm_utils.h>
 
-#define PM_MAX_LATENCY_HCI_COMMANDS_US 499999
+#define PM_MAX_LATENCY_HCI_COMMANDS_US (1000 - 1)
 
 #define TIME_TO_REGISTER_EVENT_IN_ZEPHYR_US 1000
 
diff --git a/west.yml b/west.yml
index 5bec1df24b4f..f41bdb8177ef 100644
--- a/west.yml
+++ b/west.yml
@@ -69,7 +69,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 8bc628d8945cb7bb01f57c92c00b5f1550ed576c
+      revision: pull/2290/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above