Most flashing and unlocking utilities are built strictly for Windows OS.
A: No truly free, legitimate unlocking software exists for this model. Free tools usually spread malware. Mifi Unlocking Software M028t Download
Back up your device settings if possible, as firmware flashing will factory reset the router. Step-by-Step Guide to Using M028t Unlocking Tools Most flashing and unlocking utilities are built strictly
If you find a file named M028T_Unlock_Tool_Pro_Free.exe that is 2.4MB and has no digital signature: Mifi Unlocking Software M028t Download
Which originally provided your M028t device?