If you want to get the unlock code for the ZTE Grand X4, the service provider can send you the unlocking code FREE, but you must meet certain requirements, such as being the original owner of the device and having completed the commitment period with the carrier. We know that sometimes it is complicated to fulfill this, since if it is a second-hand phone purchased or it is in another country it is going to be an impossible task, but do not worry! our ZTE servers calculate the official unlock code in a few minutes, unlock code and the instructions will be sent to your email after filling out the form and complete the purchase.
Yes, of course, the unlocking is never removed, you can update as many times as you want your device or even reset the phone.
You can use the ZTE with any SIM Card from USA and from overseas, such as carriers Spectrum, C Spire, AT&T, US Cellular, Cingular, Cricket, Nextel, Sprint, T-Mobile, Verizon, MetroPCS, Tracfone, Boost Mobile, Aio, StraightTalk, H20 Wireless, Simple Mobile, Virgin Mobile, Family Mobile, Xfinity Mobile, Viaero
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.
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"I can solve my firmware problem! Great job!"
"Very good and the code works perfect "
"Exelente servicio muchas gracias"
"great service, took a few hours to get the unlock code, but it worked first try! top notch!"