Felizzle
Posts: 1
Joined: Fri Oct 25, 2019 12:31 am

Bluetooth Devices keep disconnecting

Fri Oct 25, 2019 12:34 am

I just bought my Raspi 4 and tried to connect my Bluetooth Keyboard to it.

It Always works for About one or two seconds and then disconnects immediatley.

Both for normal Bluetooth (Raspbian)
and for Blueman.

I searched several Forums but i cant find a solution for this. :(

dave_p
Posts: 28
Joined: Sun Mar 04, 2012 2:11 pm

Re: Bluetooth Devices keep disconnecting

Sun Oct 27, 2019 8:34 am

There is another thread reporting the same problem here: https://www.raspberrypi.org/forums/view ... 6&t=254523

No solution yet unfortunately.

uilfut
Posts: 72
Joined: Sat Mar 03, 2018 1:20 am
Location: Toronto

Re: Bluetooth Devices keep disconnecting

Sun Oct 27, 2019 8:30 pm

Same issue - bluetooth kb won't connect for more than a few seconds any more. Was working fine since launch until recent update.

Logitech K380 keyboard.

Hoping engineers are aware of this pretty please...

dave_p
Posts: 28
Joined: Sun Mar 04, 2012 2:11 pm

Re: Bluetooth Devices keep disconnecting

Mon Oct 28, 2019 9:59 am

Trying to narrow down the problem...

I got my Pi4 on 18/9 and bluetooth was working fine for some time after. Now 'bluez' and the userland bluetooth software haven't been updated in that time, so the problem must presumably lie in the kernel or firmware. Unfortunately I've run 'rpi-update' a couple of times and I'm on the 64-bit kernel so I don't know at what point the bluetooth keyboard stopped working. Is anyone able to narrow the timeframe down further?

PhilE
Raspberry Pi Engineer & Forum Moderator
Raspberry Pi Engineer & Forum Moderator
Posts: 2872
Joined: Mon Sep 29, 2014 1:07 pm
Location: Cambridge

Re: Bluetooth Devices keep disconnecting

Mon Oct 28, 2019 3:29 pm

Please continue this discussion on https://www.raspberrypi.org/forums/view ... 6&t=254523.

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