diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 9e4218b08..17c82e9bc 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -10,9 +10,9 @@
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="modules">
           <set>
+            <option value="$PROJECT_DIR$/../../geeksville-androidlib" />
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
-            <option value="$PROJECT_DIR$/../geeksville-androidlib" />
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />
diff --git a/TODO.md b/TODO.md
index 761b77060..c6cd45c6d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,17 +1,16 @@
 
-* test reg reading/writing directly via bt to device
-* fix bluetooth update
-* refactor sw update code to share with my other bluetooth service
-* get signal running under debugger
+
 * handle failures in onCharWrite, instead of logAssert - because they can happen if device goes away
+* make test implementation of android service (doesn't use bluetooth)
+* clean up sw update code in device side
 * DONE add broadcasters for use by signal (node changes and packet received)
-* make test implementation of server (doesn't use bluetooth)
 * make compose based access show mesh state
-* make a test client of the android service
+* use android service from Signal
 * add real messaging code/protobufs
 * use https://codelabs.developers.google.com/codelabs/jetpack-compose-basics/#4 to show service state
 * connect to bluetooth device automatically using minimum power
 * have signal declare receivers: https://developer.android.com/guide/components/broadcasts#manifest-declared-receivers
+* fix BT device scanning 
 
 protobuf notes
 protoc -I=. --java_out /tmp mesh.proto
@@ -40,9 +39,14 @@ Don't leave device discoverable.  Don't let unpaired users do thing with device
 
 # Done
 
+* DONE fix bluetooth update
+* DONE refactor sw update code to share with my other bluetooth service
+* DONE don't let sw update got to sleep during the update
 * assert() is apparently a noop - change to use my version of assert
 * DONE add crash reporting
 * DONE add analytics (make them optional)
 * make frontend using https://developer.android.com/jetpack/compose/tutorial
 * change bluetooth mtu length to 512 (default is only 20)
+* DONE get signal running under debugger
+* Find good Signal hooks
 
diff --git a/app/src/main/java/com/geeksville/mesh/SoftwareUpdateService.kt b/app/src/main/java/com/geeksville/mesh/SoftwareUpdateService.kt
index 338224c14..9fb6580f0 100644
--- a/app/src/main/java/com/geeksville/mesh/SoftwareUpdateService.kt
+++ b/app/src/main/java/com/geeksville/mesh/SoftwareUpdateService.kt
@@ -72,7 +72,8 @@ class SoftwareUpdateService : JobIntentService(), Logging {
 // Our write completed, queue up a readback
             val totalSizeReadback = sync.readCharacteristic(totalSizeDesc)
                 .getIntValue(BluetoothGattCharacteristic.FORMAT_UINT32, 0)
-            logAssert(totalSizeReadback != 0) // FIXME - handle this case
+            if(totalSizeReadback == 0) // FIXME - handle this case
+                throw Exception("Device rejected file size")
 
             // Send all the blocks
             while (firmwareNumSent < firmwareSize) {
@@ -103,7 +104,8 @@ class SoftwareUpdateService : JobIntentService(), Logging {
             val updateResult =
                 sync.readCharacteristic(updateResultDesc)
                     .getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, 0)
-            logAssert(updateResult == 0) // FIXME - handle this case
+            if(updateResult != 0) // FIXME - handle this case
+                throw Exception("Device update failed, reason=$updateResult")
 
             // FIXME perhaps ask device to reboot
     }
@@ -209,10 +211,7 @@ class SoftwareUpdateService : JobIntentService(), Logging {
         val startUpdateIntent = Intent("com.geeksville.com.geeeksville.mesh.START_UPDATE")
 
         private const val SCAN_PERIOD: Long = 10000
-
-        //const val ACTION_GATT_CONNECTED = "com.example.bluetooth.le.ACTION_GATT_CONNECTED"
-        //const val ACTION_GATT_DISCONNECTED = "com.example.bluetooth.le.ACTION_GATT_DISCONNECTED"
-
+        
         private val TAG =
             MainActivity::class.java.simpleName // FIXME - use my logging class instead
 
diff --git a/app/src/main/java/com/geeksville/mesh/SyncBluetoothDevice.kt b/app/src/main/java/com/geeksville/mesh/SyncBluetoothDevice.kt
index 68012181e..725199a25 100644
--- a/app/src/main/java/com/geeksville/mesh/SyncBluetoothDevice.kt
+++ b/app/src/main/java/com/geeksville/mesh/SyncBluetoothDevice.kt
@@ -21,19 +21,21 @@ class SyncBluetoothDevice(private val context: Context, private val device: Blue
     Logging {
 
     private var pendingServiceDesc: SyncContinuation<Unit>? = null
-    private var pendingMtu: SyncContinuation<kotlin.Int>? = null
+    private var pendingMtu: SyncContinuation<Int>? = null
     private var pendingWriteC: SyncContinuation<Unit>? = null
     private var pendingReadC: SyncContinuation<BluetoothGattCharacteristic>? = null
     private var pendingConnect: SyncContinuation<Unit>? = null
 
-    private val gattCallback = object : BluetoothGattCallback() {
+    var state = BluetoothProfile.STATE_DISCONNECTED
 
+    private val gattCallback = object : BluetoothGattCallback() {
         override fun onConnectionStateChange(
             gatt: BluetoothGatt,
             status: Int,
             newState: Int
         ) {
             info("new bluetooth connection state $newState")
+            state = newState
             when (newState) {
                 BluetoothProfile.STATE_CONNECTED -> {
                     if (pendingConnect != null) { // If someone was waiting to connect unblock them
@@ -42,7 +44,12 @@ class SyncBluetoothDevice(private val context: Context, private val device: Blue
                     }
                 }
                 BluetoothProfile.STATE_DISCONNECTED -> {
-                    TODO("handle loss of connection")
+                    // cancel any ops
+
+                    val pendings = listOf(pendingMtu, pendingServiceDesc, pendingWriteC, pendingReadC, pendingConnect)
+                    pendings.filterNotNull().forEach {
+                        it.resumeWithException(IOException("Lost connection"))
+                    }
                 }
             }
         }
@@ -103,7 +110,7 @@ class SyncBluetoothDevice(private val context: Context, private val device: Blue
         }
 
     /// Returns the actual MTU size used
-    fun requestMtu(len: Int) = suspend<kotlin.Int> { cont ->
+    fun requestMtu(len: Int) = suspend<Int> { cont ->
         pendingMtu = cont
         logAssert(gatt.requestMtu(len))
     }