Learn how to lock, unlock, and PUK unlock the Sony Xperia Z. Find out more on this page:
PUK code unlock
To change the device lock password or PIN, follow these steps:
To turn on or turn off the device lock password or PIN, follow these steps:
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If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again. To enter a PUK code and unblock the PIN, follow these steps:
Important: You must call Customer Care for the PUK code. Entering the wrong code can permanently damage your SIM card.
To change the SIM PIN code, follow these steps:
The SIM PIN code can protect your SIM from being used in other devices. When you turn on the SIM PIN lock, the device prompts you to enter the code after turning it on.
To lock and unlock the SIM card, follow these steps:
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