diff --git a/applications/external/gps_nmea_uart/gps.c b/applications/external/gps_nmea_uart/gps.c
index a0c6ead03..56fafbe50 100644
--- a/applications/external/gps_nmea_uart/gps.c
+++ b/applications/external/gps_nmea_uart/gps.c
@@ -93,6 +93,14 @@ int32_t gps_app(void* p) {
         return 255;
     }
 
+    uint8_t attempts = 0;
+    bool otg_was_enabled = furi_hal_power_is_otg_enabled();
+    while(!furi_hal_power_is_otg_enabled() && attempts++ < 5) {
+        furi_hal_power_enable_otg();
+        furi_delay_ms(10);
+    }
+    furi_delay_ms(200);
+
     // set system callbacks
     ViewPort* view_port = view_port_alloc();
     view_port_draw_callback_set(view_port, render_callback, gps_uart);
@@ -186,5 +194,9 @@ int32_t gps_app(void* p) {
     furi_mutex_free(gps_uart->mutex);
     gps_uart_disable(gps_uart);
 
+    if(furi_hal_power_is_otg_enabled() && !otg_was_enabled) {
+        furi_hal_power_disable_otg();
+    }
+
     return 0;
 }
diff --git a/applications/external/nrf24sniff/nrfsniff.c b/applications/external/nrf24sniff/nrfsniff.c
index bc58602ff..fc0e2ac90 100644
--- a/applications/external/nrf24sniff/nrfsniff.c
+++ b/applications/external/nrf24sniff/nrfsniff.c
@@ -10,7 +10,7 @@
 
 #define LOGITECH_MAX_CHANNEL 85
 #define COUNT_THRESHOLD 2
-#define DEFAULT_SAMPLE_TIME 8000
+#define DEFAULT_SAMPLE_TIME 4000
 #define MAX_ADDRS 100
 #define MAX_CONFIRMED 32