Why won't my galaxy S3 screen lock?

[AC Question]

my galaxy s3 screen wont lock

i updated my galaxy s3 to the latest software update (oct 15 2015)
now my screeen wont lock at all.
ive tinkered with options already its something else.

 

[belodion]

Re: my galaxy s3 screen wont lock

Try a Cache Partition wipe.
If no go, see whether it works in Safe Mode....a third-party app may be responsible.
If still no go, get back to us.

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