Call your carrier's customer support, provide your IMEI number (found on the sticker under the battery or in the settings), and request an NCK (Network Control Key). 2. Using an Unlock Code Service
Warning: Most devices only allow 10 attempts. If you enter it wrong too many times, the device will be permanently locked. Unlock Zte Mf920u
Congratulations — your device is now free. Here’s how to get the most out of it: Call your carrier's customer support, provide your IMEI
Unlocking your ZTE MF920U allows you to: Call your carrier's customer support