When unlocking USB modems, people go to certain PC repairing shops and pay high amount of money to get their USB modems unlocked, but to overcome this problem, there is a program called “DC Unlocker”.
New models are being added regularly.
Doesn't need any cable or adapters.
No needs to select any COM ports, auto detect function.
Modems:Novatel Ovation MC996D
Huawei B153Huawei E589ZTE MF60ZTE MF68ZTE MF70ZTE MF80ZTE MF93ZTE MF51,MF61 and other ZTE routers that have no com ports
Repair feature solves :
No network after unlock;
SIM Lock status : unknown (read failed);
SIM Lock status : unlocked (but phone asks for code).
No difference how security data was damaged, it can be repaired without backup .
For Further Reading,