Click and enter the correct APN, Username, and Password provided by your new mobile carrier. Set this profile as Default and save changes. Select the Right Network Band
This free method fails on MF920U units manufactured after March 2023 (firmware BD_MF920UV1.0.0B10 or higher). ZTE patched the AT loophole. If you see ERROR on AT+ZUNLOCKPERM , your unit requires the Hardware Method. unlock zte mf920u extra quality