diff --git a/west/trezor/boards/arm/t3w1_revA_nrf52832/t3w1_revA_nrf52832.dts b/west/trezor/boards/arm/t3w1_revA_nrf52832/t3w1_revA_nrf52832.dts
index 0345e59760..bc700d196e 100644
--- a/west/trezor/boards/arm/t3w1_revA_nrf52832/t3w1_revA_nrf52832.dts
+++ b/west/trezor/boards/arm/t3w1_revA_nrf52832/t3w1_revA_nrf52832.dts
@@ -27,28 +27,24 @@
 	leds {
 		compatible = "gpio-leds";
 		led0: led_0 {
-			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+			gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
 			label = "Green LED 0";
 		};
 		led1: led_1 {
-			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+			gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
 			label = "Green LED 1";
 		};
-		out0: out_0 {
-			gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
-			label = "FW Running";
-		};
 	};
 
 	buttons {
 		compatible = "gpio-keys";
 		button0: button_0 {
-			gpios = <&gpio0 27 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			gpios = <&gpio0 14 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
 			label = "Push button switch 0";
 			zephyr,code = <INPUT_KEY_0>;
 		};
 		trezor_ready: trezor_ready {
-			gpios = <&gpio0 29 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
+			gpios = <&gpio0 29 ( GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
 			label = "Trezor ready";
 			zephyr,code = <INPUT_KEY_1>;
 		};
@@ -59,9 +55,8 @@
 		led0 = &led0;
 		led1 = &led1;
 		sw0 = &button0;
-		bootloader-led0 = &led0;
+		bootloader-botton0 = &button0;
 		mcuboot-button0 = &button0;
-		mcuboot-led0 = &led0;
 		watchdog0 = &wdt0;
 	};
 };
@@ -118,11 +113,7 @@
 		};
 		slot0_partition: partition@c000 {
 			label = "image-0";
-			reg = <0x0000C000 0x37000>;
-		};
-		slot1_partition: partition@43000 {
-			label = "image-1";
-			reg = <0x00043000 0x37000>;
+			reg = <0x0000C000 0x7A000>;
 		};
 		storage_partition: partition@7a000 {
 			label = "storage";
diff --git a/west/trezor/trezor-ble/mcuboot.conf b/west/trezor/trezor-ble/mcuboot.conf
index 13a3d5ed2f..6823460cd1 100644
--- a/west/trezor/trezor-ble/mcuboot.conf
+++ b/west/trezor/trezor-ble/mcuboot.conf
@@ -18,6 +18,7 @@ CONFIG_BOOT_SERIAL_UART=y
 #CONFIG_MCUMGR_SMP_UART=y
 CONFIG_MCUBOOT_BOOTLOADER_MODE_SINGLE_APP=y
 CONFIG_SINGLE_APPLICATION_SLOT=y
+CONFIG_BOOT_VALIDATE_SLOT0=y
 
 CONFIG_RTT_CONSOLE=y
 CONFIG_USE_SEGGER_RTT=y
diff --git a/west/trezor/trezor-ble/prj.conf b/west/trezor/trezor-ble/prj.conf
index 73820932c1..d0e50e06dc 100644
--- a/west/trezor/trezor-ble/prj.conf
+++ b/west/trezor/trezor-ble/prj.conf
@@ -89,3 +89,16 @@ CONFIG_LOG_PRINTK=n
 
 CONFIG_NANOPB=n
 CONFIG_ASSERT=y
+
+
+# bootloader
+#CONFIG_SECURE_BOOT=y
+CONFIG_BOOTLOADER_MCUBOOT=y
+#CONFIG_SB_SIGNING_OPENSSL=y
+#CONFIG_SB_SIGNING_KEY_FILE="/home/ondro/work/satoshilabs/repos/ncs/mcuboot_priv.pem"
+#CONFIG_SB_SIGNING_KEY_FILE="/home/ondro/work/satoshilabs/repos/ncs/mcuboot_priv.pem"
+#CONFIG_SB_PUBLIC_KEY_FILES="/home/ondro/work/satoshilabs/repos/ncs/mcuboot_pub.pem"
+#CONFIG_MCUBOOT_SIGNATURE_KEY_FILE="/home/ondro/work/satoshilabs/repos/ncs/mcuboot_priv.pem"
+#CONFIG_MCUBOOT_SIGNATURE_KEY_FILE="/home/ondro/work/satoshilabs/repos/ncs/mcuboot_priv.pem"
+#CONFIG_BOOT_SIGNATURE_KEY_FILE="/home/ondro/work/satoshilabs/repos/ncs/mcuboot_priv.pem"
+CONFIG_MCUBOOT_BOOTLOADER_MODE_SINGLE_APP=y
diff --git a/west/trezor/trezor-ble/src/main.c b/west/trezor/trezor-ble/src/main.c
index fe4f8d5598..b3ec826300 100644
--- a/west/trezor/trezor-ble/src/main.c
+++ b/west/trezor/trezor-ble/src/main.c
@@ -46,8 +46,7 @@ LOG_MODULE_REGISTER(LOG_MODULE_NAME);
 #define RUN_STATUS_LED DK_LED1
 #define RUN_LED_BLINK_INTERVAL 1000
 
-#define FW_RUNNING_SIG DK_LED3
-#define CON_STATUS_LED DK_LED2
+#define FW_RUNNING_SIG DK_LED2
 
 static K_SEM_DEFINE(ble_init_ok, 0, 1);
 static K_SEM_DEFINE(led_init_ok, 0, 1);
@@ -231,7 +230,7 @@ void ble_write_thread(void) {
 }
 
 void led_thread(void) {
-  bool connected = false;
+//  bool connected = false;
   int blink_status = 0;
   /* Don't go any further until BLE is initialized */
   k_sem_take(&led_init_ok, K_FOREVER);
@@ -240,17 +239,17 @@ void led_thread(void) {
     blink_status++;
     dk_set_led(RUN_STATUS_LED, (blink_status) % 2);
 
-    connected = is_connected();
-
-    if (connected) {
-      dk_set_led_on(CON_STATUS_LED);
-    } else {
-      if (is_advertising() && !is_advertising_whitelist()) {
-        dk_set_led(CON_STATUS_LED, (blink_status) % 2);
-      } else {
-        dk_set_led_off(CON_STATUS_LED);
-      }
-    }
+//    connected = is_connected();
+//
+//    if (connected) {
+//      dk_set_led_on(CON_STATUS_LED);
+//    } else {
+//      if (is_advertising() && !is_advertising_whitelist()) {
+//        dk_set_led(CON_STATUS_LED, (blink_status) % 2);
+//      } else {
+//        dk_set_led_off(CON_STATUS_LED);
+//      }
+//    }
 
     k_sleep(K_MSEC(RUN_LED_BLINK_INTERVAL));
   }
diff --git a/west/trezor/west.yml b/west/trezor/west.yml
index 0a91db7e95..66e23f9871 100644
--- a/west/trezor/west.yml
+++ b/west/trezor/west.yml
@@ -15,7 +15,3 @@ manifest:
       repo-path: sdk-nrf
       revision: v2.7.0
       import: true
-    - name: mcuboot
-      url: https://github.com/hiviah/mcuboot
-      path: bootloader/mcuboot
-      revision: edfe1e1465dbc698bf9a195816247913490ab391