How do i unlock my phone when forgotten pin number

[AC Question]

I can not remember my pin to my phone after I had to turn it off

 

[belodion]

Are you prompted to use instead your Google account details after a few wrong PIN entries?

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[QuaQua lrskine]

how can i unlocked my phone. I don't remember my pin number to unlocked my phone

 

[belodion]

how can i unlocked my phone. I don't remember my pin number to unlocked my phone

Welcome.

You'll probably have to factory reset, which of course will wipe all personal data it backed up.
It may however be possible to reset the PIN via a device management account if you have one, by logging in to that on a PC.