lock screen issue

riskybzns

Well-known member
Apr 11, 2011
190
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so this is a new one for me as i've tried searching for this issue and talking with samsung reps

i'm not sure what i did, if anything, but while the lock screen is on, the phone will light up and about 5 seconds later the screen will go dark again as the screen has timed out. 5 seconds later the screen will light up while still on the lock screen, and 5 seconds later the screen will time out. it repeats this process over and over and over and over, and doesn't stop.

i've already done a soft reset on the phone and cleared the cache.

thank you for your time with this matter and i appreciate all insight as i'm hoping i don't need to do a factory reset on the phone.
 
Screen protector? Sometimes a poorly fitting screen protector can cause phantom touches, which might make the phone think you're tapping to wake it.
 
Let me see if @mustang7757 has any other ideas. Considering that it happens in Safe Mode, you may have to try a factory reset.
 
Make sure in device care tap battery then 3 dots upper right corner not toggled on or power save mode ? Or pull the notifications tray down and long press battery and make sure adaptive or medium not on . Then last check settings>lock screen>secure lock settings what's it set at ?

Screenshot_20210107-134333_Settings.jpegScreenshot_20210107-134056_Device%20care.jpeg
 
Make sure in device care tap battery then 3 dots upper right corner not toggled on or power save mode ? Or pull the notifications tray down and long press battery and make sure adaptive or medium not on . Then last check settings>lock screen>secure lock settings what's it set at ?

View attachment 330544View attachment 330545

i'm not seeing device care under my settings options. even do a such on it and it doesn't show listed. also not seeing the other way you're mentioning.

what device are you getting these steps from please? thanks!!!
 
i'm not seeing device care under my settings options. even do a such on it and it doesn't show listed. also not seeing the other way you're mentioning.

what device are you getting these steps from please? thanks!!!
This on my Note 20U

If you go to settings you don't see battery and device care ?Screenshot_20210107-142549_Settings.jpeg
 
Go to settings>lock screen and security and see the screen time set there Screenshot_20210108-004012.jpeg
 

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