Select the network your phone is locked
NOT the network you want to use
If you need to unlock a ZTE Blade A521 from home, you should call the network provider who has sold you the device, they can provide you the SIM network unlock PIN totally for FREE, but you must comply these requirements; you must be the original owner and have paid all pending bills. Our company is dedicated to calculate unlocking codes by IMEI, we work with official unlocking servers and we send the same code as the carrier.
The fastest method to obtain the unlocking is ordering in our website, when inserting a new SIM card from another carrier your device will prompt the unlock code. You need get the unlock code filling out the form and making the payment, shortly you will receive an email with perfectly detailed instructions on how to enter the unlock code.
It should be noted that to unlock a ZTE device, sometimes, the unfreeze MCK code is required (if the attempts are exhausted, so the mobile phone will show - SIM network PIN blocked. Enter SIM network PUK - ) or could be necessary the regional code RGCK (if you are going to use the mobile in another continent or region), in our company we also provide these unlock codes.
Certainly not, our unlocks are official and forever, you can update Android without any problem.
Unlocking method is for any SIM card of Spectrum, C Spire, AT&T, US Cellular, Cingular, Cricket, Nextel, Sprint, T-Mobile, Verizon, MetroPCS, Tracfone, Boost Mobile, Aio, Net10, StraightTalk, H20 Wireless, Simple Mobile, Virgin Mobile, Family Mobile, Xfinity Mobile, Viaero, Total Wireless, Ultra Mobile, Visible Wireless from USA and any other country.
When a Blade A521 does not reject your new SIM card but does not allow you to make calls, it is most likely that the IMEI has been blacklisted. You need to contact with the carrier to solve it.
1. - Turn on the handset on with a SIM card not accepted by the device (your new network operator)
2. - If the card has a PIN number, enter it and press OK.
3. - The device will prompt: “Network lock”, Now enter the code and press OK.
4. - Your phone will indicate: "Unlock successful", becoming permanently unlocked.
"Nice"
"My ZTE was unlocked! thanks"
"I am very happy. good company"
"thank you for your services . it took 9 days but it was good to wait i will continue using your services and again thank you"
"I can solve my firmware problem! Great job!"
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