Only the network code or NCK is provided with this service, if your phone requires Defreeze (MCK), Reset or any other code, it is not our responsibility and no refund request will be accepted for this reason.
AT&T Mexico Unlock Code service
Mexico Sim unlock code is now available for AT&T / Iusacell / Unefon / Nextel android phones. That is, if your phone prompts you for a sim network unlock pin after changing SIM cards, it may be readily unlocked.
If your phone is locked to a certain network and country, you won’t be able to use it until you unlock it. Once your phone is network-free, you may use it with any sim-card that supports the supported bands.
AT&T Mexico phone unlocking is a one-time process, which means you won’t have to enter the code again and again. Once unlocked, the device is network-free and may be used with any SIM card.
To get the right unlock code for an AT&T Mexico phone, we must first obtain the correct 15-digit IMEI, which can be accessed in the phone’s Settings or by dialling *#06# as a phone number on the screen.
How can I use a code to unlock my AT&T Mexico phone?
1. Disconnect the AT&T Mexico phone.
2. Insert any unacceptably priced SIM card.
3. Turn on the power.
4. When the device prompts you for a code, enter the initial code supplied by unlockmysim.com.
Now you should be able to unlock your phone.
No refunds if you submit iPhone or unsupported models or wrong carrier, blacklisted or hardlocked phones asking for a defreeze code. Check before ordering.