now i am publishing a trick to unlock air-tel 3G USB modem E173Bu-1. Then you can use any SIM card in your airtel 3G USB modem and can use any plans 2G or 3G.
We had to follow few steps before inserting other SIMs in to air-tel 3G USB modem.First you had to download to files, One is for generating the unlock code and flash code. other file is for down-dating the firmware of your air-tel 3G modem. The need for this is our main enemy in this matter is the new firmware version in the modem.
So let’s start Unlocking Airtel 3G USB Modem….
1. Download Unlock code Generator and Firmware downdater.
2.Open unlock code generator and give the IMEI code of your modem, and click ‘Generate’.Note down the UNLOCK CODE and FLASH CODE (code asked at the time of firmware downdating).
3. Close all other programes opened(important).close even the Airtel connection manager.
4. Run Firmware down-dater.
- Please be sure that your computer doesn't fall in a power failure.
- After successful Unlocking you can use any SIM Cards and any network 2G or 3G.
- MODELS Compatible with the above method are HUAWEI modem which are saying “Invalid SIM .Please contact your customer care.” on inserting another SIM.
- If you had any doubt on unlocking ,please leave a comment we will help you as soon as possible.
