- Find IMEI Number
- Click Below link and enter your IMEI Number Then you can get unlock code & flash code. http://a-zgsm.com/freecode/
- Save Unlock code & Flash code
Download Huawei E153 Update Firmware
- Insert other operator Sim to dongle
- Run Fimware software it will ask password
- Enter flash code
- Now ur dongle is unlocked
- Insert other operator sim
- it will request unlock code then enter unlock code
- Now ur dongle is unlocked.
I'm not personally unlock Mobitel e153 dongle but you can try to do it.
Unlock Huwawei E 173 Dongle
Then follow Above instruction