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nRF Connect Mobile fails to scan any BLE device

MDF

I'm using nRF Connect for Mobile on my Android smartphone (HTC U11, Android 9) for over a year now

It was working well so far last year, then I paused for a few weeks and when I resumed my current BLE development project recently I noticed that nRF Connect Mobile, while scanning for devices, is not finding any device, nothing, nada, void - just a blank screen with the message "no devices found"

My smartphone (Bluetooth) works well with all devices (my car, headset etc) - and another App, the LightBlue scanner works pretty well, listing all BLE device nearby, so I consider that my SmartPhone is ok.

Some devices (usually nRF samples like blinky etc) which I paired/bonded previously are still visible in the "bonded" tab and I'm able to connect to them ... but scanning shows nothing at all. Of course I tried to uninstall the App, bootet my SmartPhone and tried all the obvious things, still, no scanning results.

It happend only one time last week, where the scanning windows suddenly showed a list of BLE device, but only for like 100 msec, and then the screen was empty again.

Any ideas ? Am I the only one with this issue ?

thanks, Matthias

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    Hi Matthias,

    Apologies for the late response time. The office has been closed due to the recent holidays.

    Of course I tried to uninstall the App, bootet my SmartPhone and tried all the obvious things, still, no scanning results.

    Glad to hear that you've already tried this. If you have one available, could you try with a different android phone?

    I've asked internally if the android app team knows the answer to this issue and will reply back to you as soon as I know more. Hopefully I will get a reply within this working week (Friday).


    Kind regards,
    Andreas

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  • 0

    Hi Matthias,

    Apologies for the late response time. The office has been closed due to the recent holidays.

    Of course I tried to uninstall the App, bootet my SmartPhone and tried all the obvious things, still, no scanning results.

    Glad to hear that you've already tried this. If you have one available, could you try with a different android phone?

    I've asked internally if the android app team knows the answer to this issue and will reply back to you as soon as I know more. Hopefully I will get a reply within this working week (Friday).


    Kind regards,
    Andreas

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