[Upgrading, Modifying and Unlocking] GenghisKhan67:
Just tested this, and you are right, Bluetooth doesn't respond. No biggie for me as I use BT only on my GNex phone (podcasts mostly), not on my tablet.

EDIT: here is the logcat output, maybe someone can make sense of what is going on...

04-23 11:24:58.419 D/BluetoothManagerService(490): checkIfCallerIsForegroundUser: valid=true callingUser=0 foregroundUser=0

04-23 11:24:58.419 D/BluetoothManagerService(490): enable(): mBluetooth =android.bluetooth.IBluetooth$Stub$Proxy@40fe60e8 mBinding = false

04-23 11:24:58.419 D/BluetoothManagerService(490): Message: 1

04-23 11:24:58.419 D/BluetoothManagerService(490): MESSAGE_ENABLE: mBluetooth = android.bluetooth.IBluetooth$Stub$Proxy@40fe60e8

04-23 11:24:58.419 D/BluetoothAdapterService(1116): Broadcasting updateAdapterState() to 1 receivers.

04-23 11:24:58.419 D/BluetoothBondStateMachine(1116): make

04-23 11:24:58.419 D/BluetoothManagerService(490): Message: 60

04-23 11:24:58.419 D/BluetoothManagerService(490): MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = 10, newState=11

04-23 11:24:58.419 D/BluetoothManagerService(490): Bluetooth State Change Intent: 10 -> 11

04-23 11:24:58.459 D/BluetoothAdapterService(1088759824)( 1116): getState(): mAdapterProperties: com.android.bluetooth.btservice.AdapterProperties@40e54138

04-23 11:24:58.459 D/BluetoothAdapterService(1088759824)( 1116): getState(): mAdapterProperties: com.android.bluetooth.btservice.AdapterProperties@40e54138

04-23 11:24:58.479 I/bluedroid(1116): enable

04-23 11:24:58.479 D/bt-btif (1116): BTIF ENABLE BLUETOOTH

04-23 11:24:58.479 D/BTIF_CORE(1116): not disabled

04-23 11:24:58.479 E/BluetoothAdapterState(1116): Error while turning Bluetooth On

04-23 11:24:58.479 D/BluetoothAdapterService(1116): Broadcasting updateAdapterState() to 1 receivers.

04-23 11:24:58.479 D/BluetoothManagerService(490): Message: 60

04-23 11:24:58.479 D/BluetoothManagerService(490): MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = 11, newState=10

04-23 11:24:58.479 D/BluetoothManagerService(490): Broadcasting onBluetoothStateChange(false) to 8 receivers.

04-23 11:24:58.489 E/BluetoothPan(4971):

04-23 11:24:58.489 E/BluetoothPan(4971): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothPan$2@40e9e3b0

04-23 11:24:58.489 E/BluetoothPan(4971):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothPan(4971):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothPan(4971):	at android.content.ContextWrapper.unbindService(ContextWrapper.java:484)

04-23 11:24:58.489 E/BluetoothPan(4971):	at android.bluetooth.BluetoothPan$1.onBluetoothStateChange(BluetoothPan.java:185)

04-23 11:24:58.489 E/BluetoothPan(4971):	at android.bluetooth.IBluetoothStateChangeCallback$Stub.onTransact(IBluetoothStateChangeCallback.java:55)

04-23 11:24:58.489 E/BluetoothPan(4971):	at android.os.Binder.execTransact(Binder.java:351)

04-23 11:24:58.489 E/BluetoothPan(4971):	at dalvik.system.NativeStart.run(Native Method)

04-23 11:24:58.489 D/BluetoothA2dp(490): onBluetoothStateChange: up=false

04-23 11:24:58.489 E/BluetoothA2dp(490):

04-23 11:24:58.489 E/BluetoothA2dp(490): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothA2dp$2@415640f8

04-23 11:24:58.489 E/BluetoothA2dp(490):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at android.bluetooth.BluetoothA2dp$1.onBluetoothStateChange(BluetoothA2dp.java:121)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at com.android.server.BluetoothManagerService.sendBluetoothStateCallback(BluetoothManagerService.java:419)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at com.android.server.BluetoothManagerService.bluetoothStateChangeHandler(BluetoothManagerService.java:1015)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at com.android.server.BluetoothManagerService.access$1900(BluetoothManagerService.java:48)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at com.android.server.BluetoothManagerService$BluetoothHandler.handleMessage(BluetoothManagerService.java:760)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at android.os.Handler.dispatchMessage(Handler.java:99)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at android.os.Looper.loop(Looper.java:137)

04-23 11:24:58.489 E/BluetoothA2dp(490):	at android.os.HandlerThread.run(HandlerThread.java:60)

04-23 11:24:58.489 E/BluetoothPan(490):

04-23 11:24:58.489 E/BluetoothPan(490): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothPan$2@41388f70

04-23 11:24:58.489 E/BluetoothPan(490):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothPan(490):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothPan(490):	at android.bluetooth.BluetoothPan$1.onBluetoothStateChange(BluetoothPan.java:185)

04-23 11:24:58.489 E/BluetoothPan(490):	at com.android.server.BluetoothManagerService.sendBluetoothStateCallback(BluetoothManagerService.java:419)

04-23 11:24:58.489 E/BluetoothPan(490):	at com.android.server.BluetoothManagerService.bluetoothStateChangeHandler(BluetoothManagerService.java:1015)

04-23 11:24:58.489 E/BluetoothPan(490):	at com.android.server.BluetoothManagerService.access$1900(BluetoothManagerService.java:48)

04-23 11:24:58.489 E/BluetoothPan(490):	at com.android.server.BluetoothManagerService$BluetoothHandler.handleMessage(BluetoothManagerService.java:760)

04-23 11:24:58.489 E/BluetoothPan(490):	at android.os.Handler.dispatchMessage(Handler.java:99)

04-23 11:24:58.489 E/BluetoothPan(490):	at android.os.Looper.loop(Looper.java:137)

04-23 11:24:58.489 E/BluetoothPan(490):	at android.os.HandlerThread.run(HandlerThread.java:60)

04-23 11:24:58.489 D/BluetoothHeadset(905): onBluetoothStateChange: up=false

04-23 11:24:58.489 E/BluetoothHeadset(905):

04-23 11:24:58.489 E/BluetoothHeadset(905): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothHeadset$2@40e66a90

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.content.ContextWrapper.unbindService(ContextWrapper.java:484)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.bluetooth.BluetoothHeadset$1.onBluetoothStateChange(BluetoothHeadset.java:234)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.bluetooth.IBluetoothStateChangeCallback$Stub.onTransact(IBluetoothStateChangeCallback.java:55)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.os.Binder.execTransact(Binder.java:351)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at dalvik.system.NativeStart.run(Native Method)

04-23 11:24:58.489 D/BluetoothInputDevice(4971): onBluetoothStateChange: up=false

04-23 11:24:58.489 E/BluetoothInputDevice(4971):

04-23 11:24:58.489 E/BluetoothInputDevice(4971): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothInputDevice$2@40e9a300

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at android.content.ContextWrapper.unbindService(ContextWrapper.java:484)

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at android.bluetooth.BluetoothInputDevice$1.onBluetoothStateChange(BluetoothInputDevice.java:199)

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at android.bluetooth.IBluetoothStateChangeCallback$Stub.onTransact(IBluetoothStateChangeCallback.java:55)

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at android.os.Binder.execTransact(Binder.java:351)

04-23 11:24:58.489 E/BluetoothInputDevice(4971):	at dalvik.system.NativeStart.run(Native Method)

04-23 11:24:58.489 D/BluetoothHeadset(490): onBluetoothStateChange: up=false

04-23 11:24:58.489 E/BluetoothHeadset(490):

04-23 11:24:58.489 E/BluetoothHeadset(490): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothHeadset$2@414ed848

04-23 11:24:58.489 E/BluetoothHeadset(490):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at android.bluetooth.BluetoothHeadset$1.onBluetoothStateChange(BluetoothHeadset.java:234)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at com.android.server.BluetoothManagerService.sendBluetoothStateCallback(BluetoothManagerService.java:419)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at com.android.server.BluetoothManagerService.bluetoothStateChangeHandler(BluetoothManagerService.java:1015)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at com.android.server.BluetoothManagerService.access$1900(BluetoothManagerService.java:48)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at com.android.server.BluetoothManagerService$BluetoothHandler.handleMessage(BluetoothManagerService.java:760)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at android.os.Handler.dispatchMessage(Handler.java:99)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at android.os.Looper.loop(Looper.java:137)

04-23 11:24:58.489 E/BluetoothHeadset(490):	at android.os.HandlerThread.run(HandlerThread.java:60)

04-23 11:24:58.489 D/BluetoothHeadset(905): onBluetoothStateChange: up=false

04-23 11:24:58.489 E/BluetoothHeadset(905):

04-23 11:24:58.489 E/BluetoothHeadset(905): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothHeadset$2@40ec1f68

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.content.ContextWrapper.unbindService(ContextWrapper.java:484)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.bluetooth.BluetoothHeadset$1.onBluetoothStateChange(BluetoothHeadset.java:234)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.bluetooth.IBluetoothStateChangeCallback$Stub.onTransact(IBluetoothStateChangeCallback.java:55)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at android.os.Binder.execTransact(Binder.java:351)

04-23 11:24:58.489 E/BluetoothHeadset(905):	at dalvik.system.NativeStart.run(Native Method)

04-23 11:24:58.489 D/BluetoothPbap(4971): onBluetoothStateChange: up=false

04-23 11:24:58.489 E/BluetoothPbap(4971):

04-23 11:24:58.489 E/BluetoothPbap(4971): java.lang.IllegalArgumentException: Service not registered: android.bluetooth.BluetoothPbap$2@40ea2460

04-23 11:24:58.489 E/BluetoothPbap(4971):	at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:921)

04-23 11:24:58.489 E/BluetoothPbap(4971):	at android.app.ContextImpl.unbindService(ContextImpl.java:1460)

04-23 11:24:58.489 E/BluetoothPbap(4971):	at android.content.ContextWrapper.unbindService(ContextWrapper.java:484)

04-23 11:24:58.489 E/BluetoothPbap(4971):	at android.bluetooth.BluetoothPbap$1.onBluetoothStateChange(BluetoothPbap.java:122)

04-23 11:24:58.489 E/BluetoothPbap(4971):	at android.bluetooth.IBluetoothStateChangeCallback$Stub.onTransact(IBluetoothStateChangeCallback.java:55)

04-23 11:24:58.489 E/BluetoothPbap(4971):	at android.os.Binder.execTransact(Binder.java:351)

04-23 11:24:58.489 E/BluetoothPbap(4971):	at dalvik.system.NativeStart.run(Native Method)

04-23 11:24:58.499 D/BluetoothManagerService(490): Bluetooth State Change Intent: 11 -> 10

04-23 11:24:58.509 I/BluetoothBondStateMachine(1116): StableState(): Entering Off State

04-23 11:24:58.509 D/BluetoothAdapterService(1088759824)( 1116): getState(): mAdapterProperties: com.android.bluetooth.btservice.AdapterProperties@40e54138

04-23 11:24:58.519 D/BluetoothAdapterService(1088759824)( 1116): getState(): mAdapterProperties: com.android.bluetooth.btservice.AdapterProperties@40e54138

04-23 11:24:58.529 V/Sensors (490): Changed Polling period to 70ms

04-23 11:24:58.559 D/AsusBrightnessManager(490): br transform : 190 -> 159

04-23 11:24:58.559 W/ApplicationContext(4971): Calling a method in the system process without a qualified user: android.app.ContextImpl.startService:1361 android.content.ContextWrapper.startService:450 android.content.ContextWrapper.startService:450

04-23 11:24:58.569 D/DockEventReceiver(4971): finishStartingService: stopping service

04-23 11:24:58.569 D/AsusBrightnessManager(490): br transform : 190 -> 159

04-23 11:24:58.579 D/BluetoothAdapterService(1088759824)( 1116): getState(): mAdapterProperties: com.android.bluetooth.btservice.AdapterProperties@40e54138