tafuta modem nyingine backup nvitems then chomeka yako ilokufa ifanyie Restoration kutumia hizo NV ulizo backup.
Hii ni trick nilikua nkitumia nkikosea ku Unlock zile modem za E173
However kuna AT Command ya ku change IMEI ya modem you search and try to Run it with any Terminal software like Putty or DC-Unlocker