How to turn off or change SIM card PIN on Android phone

You must know your current SIM PIN to continue with this lesson. If you enter the wrong PIN three times, your SIM card will be blocked until you use the PUK (or PUC – personal unblocking code) provided by your mobile operator to unlock it. How to go to SIM lock settings on an Android…

To continue reading, purchase a membership by contacting us by email.



Lifetime access to all posts.

Computer and phone tutorials

Internet tutorials


Video and music library