diff --git a/applications/debug/uart_echo/uart_echo.c b/applications/debug/uart_echo/uart_echo.c
index 0291c9e79..9c65910a0 100644
--- a/applications/debug/uart_echo/uart_echo.c
+++ b/applications/debug/uart_echo/uart_echo.c
@@ -283,13 +283,14 @@ static UartEchoApp* uart_echo_app_alloc(uint32_t baudrate) {
 static void uart_echo_app_free(UartEchoApp* app) {
     furi_assert(app);
 
+    furi_hal_serial_async_rx_stop(app->serial_handle);
+    furi_hal_serial_deinit(app->serial_handle);
+    furi_hal_serial_control_release(app->serial_handle);
+
     furi_thread_flags_set(furi_thread_get_id(app->worker_thread), WorkerEventStop);
     furi_thread_join(app->worker_thread);
     furi_thread_free(app->worker_thread);
 
-    furi_hal_serial_deinit(app->serial_handle);
-    furi_hal_serial_control_release(app->serial_handle);
-
     // Free views
     view_dispatcher_remove_view(app->view_dispatcher, 0);
 
diff --git a/applications/external b/applications/external
index 676d035fb..c3547182b 160000
--- a/applications/external
+++ b/applications/external
@@ -1 +1 @@
-Subproject commit 676d035fb6c8af494d6a12570f60eede7e04f7d5
+Subproject commit c3547182b2beba178d0be3eb2cbf90da7023b0a3
diff --git a/applications/main/subghz/helpers/subghz_gps.c b/applications/main/subghz/helpers/subghz_gps.c
index de34d8b77..56108620a 100644
--- a/applications/main/subghz/helpers/subghz_gps.c
+++ b/applications/main/subghz/helpers/subghz_gps.c
@@ -147,6 +147,7 @@ SubGhzGPS* subghz_gps_init() {
 void subghz_gps_deinit(SubGhzGPS* subghz_gps) {
     furi_assert(subghz_gps);
 
+    furi_hal_serial_async_rx_stop(subghz_gps->serial_handle);
     furi_hal_serial_deinit(subghz_gps->serial_handle);
     furi_hal_serial_control_release(subghz_gps->serial_handle);