Aleksander Nowakowski

It is up to your bootloader to reset itself to app mode after some time of inactivity, not the library. Which SDK (Nordic SDK, not Android SDK) is your DFU...

In [nRF5 SDK version 15](https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.0.0/lib_dfu_transport.html?cp=8_5_4_3_5_2) a new command "Abort" have been added, which should reset the device to app mode, but this library was designed before that and is not...

With single back you can't restore the original fw. It'll stay in the bootloader mode, as there's no app available.

Hello, Could you send us your fw, that we could try on nRF52832 or nRF52840 DK? Indeed, that Android library has some long initial delays, that have been added long...

Could you also write what does the DFU app show, instead of an error? Perhaps a screen shot, or behavior description?

Hi, could you try #350? All the delays have been removed, but I'm not sure that it didn't break functionality for older devices. After all, the delays have been added...

Hi, sorry for the delay. The library is maintained, but I'm busy with other tasks, so it waits for its time... Looks like the issue is related to how the...

>Error 133 does happen frequently on android, it's a known issue. See here for some more informations: https://devzone.nordicsemi.com/f/nordic-q-a/33313/android-gatt-133-error This 133 here happens after 30+ sec, so it's a timeout. Android...

As filter is not mandatory to scan in background, I think the only thing that could be done is set a different filter. That means we may need to use...

Yes, we know it's unreliable. I'll check if adding an empty filter works in bg.