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NOTE 8 PROBLEMS

Hi, Bernie! Welcome to Android Forums!

Reading your symptoms, I immediately suspect one of two things causing the problems:

(a) There is an errant 3rd party app that is interfering with normal operations of the device. Restart the phone in Safe Mode and see if the problems persist. If so, see...

(b) A hardware failure is causing the phone to react to certain conditions that do not, in fact, exist. A proximity sensor may have failed, or a button may be stuck.

If the problems persist in Safe Mode, with no 3rd party apps running, then the last resort before a replacement is a factory reset. That will wipe all user data, so back it up! Smart Switch can back up the entire phone to the microSD card before the reset. Set it back up (do not use the backup data or you may end up restoring the problem!) and see if the symptoms persist. If they do, it's a warranty replacement. When you get your new device, THEN you can restore the backup.
 
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does the phone have oreo update?
was it bought new?
is it unlocked or purchased from verizon?

what troubleshooting steps have you or the other taken to try to correct the issue?

so, if the phone was returned, why try to diagnose the issue ?
I am considering purchasing it...need to know if the problem is common.
It was purchased from Verizon.
 
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