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Pin code not working on galaxy S8

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First Poster

I took the risk as I needed the phone. I don't want to say you do it and everything will be fine as I don't know what will happen to yours. My opinion, try to restart the phone. 

New Member

Same happened to me last week. Reset the phone and it worked for a couple of days then BAM!!! It happened again. It's now happened 4 times in a week. Had to setup my fingerprint and iris recognition and sometimes that doesnt work either. Not good when I need my phone for work. Samsung get it sorted!!!!

New Member

Same  problem, a restart solved the issue

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@Karen2103 wrote:

Same happened to me last week. Reset the phone and it worked for a couple of days then BAM!!! It happened again. It's now happened 4 times in a week. Had to setup my fingerprint and iris recognition and sometimes that doesnt work either. Not good when I need my phone for work. Samsung get it sorted!!!!


That sounds like something where wiping the cache partition might help https://support.t-mobile.com/docs/DOC-34311

First Poster

thanks a ton! i was panicking and didnt know what to do! Chanced upon this thread and did as directed. Great help. Thanks again!

First Poster
Does this delete all the data?
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@DodgeyDave wrote:
Does this delete all the data?

You mean wiping the cache partition ? No, it doesn't delete any user data. It delete technical stuff taht android is supposed to work better and faster with. But that gets reconstructed after the wipe at the next restart.

New Member

This happened to my S8 today. I woke up and my phone wouldnt accept my pin. I havent changed this pin or any phone configuration in atleast a year.

 

Force restarting the phone using volume up and power worked, I then was promoted for my pin to decrypt the phone which was accepted,  it then took a few minutes to unlock which is worse than usual, and then restarted itself again.  Again I was prompted for the pin to decrypt, again it took longer than normal, and then it booted correctly to my lock screen. Unlocking with my pin worked again.

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