Why doesn’t the KLCK app turn on when I open it?
The app is only an editor. To make KLCK actually work, you need to enable the lockscreen and give it the required permissions:
Enable it: KLCK - side menu - turn Lockscreen ON
allow Display over other apps, Notification access, and disable battery optimization
set your phone’s default lockscreen to None/Swipe to avoid double lockscreens
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