I've been banging my head on this: when I boot my laptop, my external bluetooth keyboard/mouse is working fine on the login screen. After entering my credential, bluetooth is disabled. Same behaviour after logout/login.
How do I enable bluetooth automatically after login in KDE??

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    • Best Answerset by TraceyC

    Ah, nevermind! I fixed it by deleting the bluedevilglobalrc file. : )

Exactly! I removed bluedevil and bluetooth devices were alive after login. However no more configuration options for bluetooth devices in system configuration 🙁

    clauded we are stateless so

    sudo cp /usr/share/defaults/bluetooth/main.conf /etc/bluetooth/main.conf

    and edit the flag

    clauded the autoenable inside the bug report, you may have to activate it manually after login, as long as there isnt a patch for it I cant backport anything to fix it

    It's a catch 22: setting autoenable to false disable the bluetooth devices in SDDM (but fixes the KDE bug).

      This is strange: I deleted /etc/bluetooth/main.conf and now BT works in SDDM and is enabled after login.

        clauded I deleted /etc/bluetooth/main.conf and now BT works in SDDM and is enabled after login.

        I found this curious ... I use BT earbuds with my Plasma laptop, and they've never failed to connect automatically.

          clauded earbuds are not really a problem with SDDM...

          I have no idea what SDDM is, but I'm pretty sure I'm glad that earbuds aren't an issue with it. Thanks!

          clauded hum? okay that's a bit weird but glad it's solved

          @WetGeek Sddm is the plasma display manager, similar to lightdm on Budgie

          3 years later
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          Ha! I'm experiencing this these days. After Login, Bluetooth is disabled. : (

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          • Best Answerset by TraceyC

          Ah, nevermind! I fixed it by deleting the bluedevilglobalrc file. : )

            2 months later

            [deleted] worked for me 😃

            The problem probable the "_powered=false" suffix at the MAC addr.

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            @HondaRulez I'm glad it did! It's good to know that there might be multiple solutions for the problem. : )