diff --git a/samples/wifi/ble_coex/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/ble_coex/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/ble_coex/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/monitor/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/monitor/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/monitor/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/offloaded_raw_tx/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/offloaded_raw_tx/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/offloaded_raw_tx/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/promiscuous/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/promiscuous/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/promiscuous/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/provisioning/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/provisioning/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/provisioning/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/radio_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/radio_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/radio_test/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/raw_tx_packet/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/raw_tx_packet/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/raw_tx_packet/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/scan/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/scan/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/scan/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/shell/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/shell/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/shell/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/shutdown/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/shutdown/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/shutdown/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/softap/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/softap/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/softap/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/sta/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/sta/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/sta/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/thread_coex/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/thread_coex/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/thread_coex/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/throughput/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/throughput/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/throughput/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/twt/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/twt/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/twt/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};
diff --git a/samples/wifi/wfa_qt_app/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/samples/wifi/wfa_qt_app/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 000000000000..99f5261ab53b
--- /dev/null
+++ b/samples/wifi/wfa_qt_app/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,28 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	prng: prng {
+		compatible = "nordic,entropy-prng";
+		status = "okay";
+	};
+
+	chosen {
+		zephyr,entropy = &prng;
+	};
+
+	psa_rng: psa-rng {
+		status = "disabled";
+	};
+};
+
+
+&cpusec_cpuapp_ipc {
+	status = "disabled";
+};
+
+&cpusec_bellboard {
+	status = "disabled";
+};