Before messing with third-party tools, check if your carrier is legally required to unlock it.

: Open a web browser and go to the default gateway, typically http://192.168.0.1 or http://ufi.ztedevice.com .

Look for a 15-digit number on the sticker under the battery or on the device's box. Request a Code: Contact Your Carrier:

Even within your home country, you may find a carrier with cheaper data, better coverage in your area, or faster 5G backup (though the MF920U is 4G). Unlocking gives you choice.

is by using an IMEI-based unlock code. This does not void your warranty or risk "bricking" the device. Find Your IMEI: