Learn how to use the Mobile Device Unlock code of the Sony Xperia Z1s.
- Determine if your device is eligible to be unlocked.
- Contact Customer Care to request the Mobile Device Unlock code for your phone.
- Turn the phone off.
- Insert the blocked SIM card, and then turn the phone on.
- Enter the unblock code, and then tap Unlock. The phone should display a confirmation message stating that the SIM card is now unlocked.
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