diff --git a/boards/shields/nrf700x_nrf54h20dk/nrf700x_nrf54h20dk.overlay b/boards/shields/nrf700x_nrf54h20dk/nrf700x_nrf54h20dk.overlay
index 28614bb57a7..9090a831dea 100644
--- a/boards/shields/nrf700x_nrf54h20dk/nrf700x_nrf54h20dk.overlay
+++ b/boards/shields/nrf700x_nrf54h20dk/nrf700x_nrf54h20dk.overlay
@@ -101,8 +101,8 @@
 	status = "okay";
 	reg = <0x2f010000 DT_SIZE_K(436)>;
 	ranges = <0x0 0x2f010000 0x6e000>;
-	cpuapp_data: memory@1000 {
-		reg = <0x1000 DT_SIZE_K(432)>;
+	cpuapp_data: memory@5000 {
+		reg = <0x1000 DT_SIZE_K(416)>;
 	};
 };
 
diff --git a/samples/matter/common/dts/nrf54h20/nrf54h20_ram_allocation.dtsi b/samples/matter/common/dts/nrf54h20/nrf54h20_ram_allocation.dtsi
index 4974d98bcfe..ff0555b1c80 100644
--- a/samples/matter/common/dts/nrf54h20/nrf54h20_ram_allocation.dtsi
+++ b/samples/matter/common/dts/nrf54h20/nrf54h20_ram_allocation.dtsi
@@ -12,7 +12,7 @@
 	status = "okay";
 	reg = <0x2f010000 DT_SIZE_K(512)>;
 	ranges = <0x0 0x2f010000 0x6e000>;
-	cpuapp_data: memory@1000 {
-		reg = <0x1000 DT_SIZE_K(508)>;
+	cpuapp_data: memory@5000 {
+		reg = <0x1000 DT_SIZE_K(492)>;
 	};
 };
diff --git a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay
index 1ad3bda2f5b..0977c0f81c2 100644
--- a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay
+++ b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_high_usage.overlay
@@ -10,7 +10,7 @@
 };
 
 &cpuapp_data {
-    reg = <0x1000 0x90000>;
+    reg = <0x5000 0x8c000>;
 };
 
 &can120 {
diff --git a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_low_usage.overlay b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_low_usage.overlay
index 9b9b89f73c2..74e5d55d159 100644
--- a/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_low_usage.overlay
+++ b/tests/benchmarks/multicore/idle/boards/nrf54h20dk_nrf54h20_cpuapp_ram_low_usage.overlay
@@ -10,7 +10,7 @@
 };
 
 &cpuapp_data {
-    reg = <0x1000 0x20000>;
+    reg = <0x5000 0x1c000>;
 };
 
 &can120 {
diff --git a/west.yml b/west.yml
index a81eb773be9..4f24e1c31b8 100644
--- a/west.yml
+++ b/west.yml
@@ -72,7 +72,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 65acb953582beb2ceaba8e4e458df019c245f74f
+      revision: pull/1817/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above