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1 Message

09/06/2026 3:28 AM

PUK code

My phone suddenly asks me for the PUK code. How do I know that?

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Official Employee

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2.9K Messages

4 hours ago

Hi @user_bi7rie, Thank you for visiting our official Xfinity Forums Community support page. We greatly appreciate you taking the time to reach out and share your experience with us here. 

A PUK (Personal Unlock Key) code is required when a SIM card is locked after entering the wrong SIM PIN ten times. This appears when you locked the SIM to the device using the integrated settings. We recommend trying code "1111" which is set as default or attempt any PIN you may have created when you processed the SIM lock on the phone.

Please give this a try and let us know if you need any further assistance.

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