I'm using a TCL LX (which I wouldn't doubt is the problem, due to how bad the phone is) and I'm looking for a simple solution. I've tried installing it multiple times, deleting and re-downloading the APK, but nothing seems to work.

  • maybe android 8.1 is not supported. ask the support or post in forum – alecxs May 6 '20 at 23:21

In my case, I get this message if there is not enough storage space on the device, so I would check that and try to free up space by deleting old files or unused apps.

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