Hi! Thanks for your reply. Yes, you are describing the same issue. So far i didn't observed the issue with an app open. But i tried a bit and also this i was able to reproduce quite easy. In my case the app didn't react correct like the home screen, but was vissible (not black). Maybe the behavior depends on the app. Did you find a solution to fix this issue (except using lock screen)? Did you send your phone to Sony? Where have you seen the other posts? Thx! Jens
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So far i was very happy with Sony and my XZ1c, BUT then... Some days ago i updated to Android 9 (and 2 further updates afterwards). Since then i have an issue. If I wakeup the device with power button, quite often (not always) the home screen is frozen, means the time (widget) on home screen is wrong (small clock in status above is correct) and i can't wish left or right. I have to start an app or the click the app button and go back and now the home screen is normal again. All this issue is only if the Lock Screen is deactivated! With activated lock screen i couldn't observe it so far. I contacted Sony Support (per Mail) and now i'm very disapointed and frustrated! I had to repair my phone 2 times (2nd time i had to verify this issue in a very fresh OS) and now i have to send my phone to them, because the error disapeared :-( I think this is a software issue and Sony should provide a bugfix without taking my phone. Please could someone try to reproduce this issue. Just deactivate Lock screen, wait until phone sleeps and some minutes longer and wakeup. This has to be done just some times. Thank you! ps.: I used the search, but i didn't find this issue already (but a lot other Android 9 issues). If it is already existing here please give me a link!
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