diff --git a/preload/apps/ecg/__init__.py b/preload/apps/ecg/__init__.py
index e9b1599a264ef407bff8b9eef24a2b48b5d92e95..3b9b5fa7de2d1f8dfa11f4fd91fd2bf5796dfdd8 100644
--- a/preload/apps/ecg/__init__.py
+++ b/preload/apps/ecg/__init__.py
@@ -8,9 +8,9 @@ import math
 import struct
 import itertools
 import bluetooth
-from ecg.settings import *
+import ecg.settings
 
-config = ecg_settings()
+config = ecg.settings.ecg_settings()
 
 WIDTH = 160
 HEIGHT = 80
@@ -89,23 +89,27 @@ class ECG:
                         self.disp.backlight(0)
 
     def __init__(self):
-        self.b = bluetooth.BLE()
-        self.b.active(True)
-        self.b.irq(self.ble_irq)
-
-        _ECG_UUID = bluetooth.UUID("42230300-2342-2342-2342-234223422342")
-        _ECG_DATA = (
-            bluetooth.UUID("42230301-2342-2342-2342-234223422342"),
-            bluetooth.FLAG_READ | bluetooth.FLAG_NOTIFY,
-        )
+        try:
+            self.b = bluetooth.BLE()
+            self.b.active(True)
+            self.b.irq(self.ble_irq)
+
+            _ECG_UUID = bluetooth.UUID("42230300-2342-2342-2342-234223422342")
+            _ECG_DATA = (
+                bluetooth.UUID("42230301-2342-2342-2342-234223422342"),
+                bluetooth.FLAG_READ | bluetooth.FLAG_NOTIFY,
+            )
 
-        _ECG_SERVICE = (_ECG_UUID, (_ECG_DATA,))
-        ((self.ecg_data_handle,),) = self.b.gatts_register_services((_ECG_SERVICE,))
-        self.ecg_cccd_handle = self.ecg_data_handle + 1
+            _ECG_SERVICE = (_ECG_UUID, (_ECG_DATA,))
+            ((self.ecg_data_handle,),) = self.b.gatts_register_services((_ECG_SERVICE,))
+            self.ecg_cccd_handle = self.ecg_data_handle + 1
 
-        # Disable streaming by default
-        self.ble_streaming = False
-        self.b.gatts_write(self.ecg_cccd_handle, "\x00\x00")
+            # Disable streaming by default
+            self.ble_streaming = False
+            self.b.gatts_write(self.ecg_cccd_handle, "\x00\x00")
+        except OSError:
+            self.ble_streaming = False
+            pass
 
         leds.dim_top(1)
 
@@ -169,15 +173,11 @@ class ECG:
 
     def callback_ecg(self, datasets):
         if self.ble_streaming:
-            # try:
-            if 1:
-                self.b.gatts_notify(
-                    1,
-                    self.ecg_data_handle,
-                    struct.pack(">" + ("h" * len(datasets)), *datasets),
-                )
-                # except:
-                pass
+            self.b.gatts_notify(
+                1,
+                self.ecg_data_handle,
+                struct.pack(">" + ("h" * len(datasets)), *datasets),
+            )
 
             # Don't update the screen if it should be off during a connection
             if not config.get_option("BLE Disp"):