- Eject the modem from your computer/laptop.
- Note down the imei which is written on the reverse side of the Huawei Modem.
- Run the downloaded software and go to Huawei tab
- Put your IMEI number in IMEI box which is highlighted in above screenshot.
- Now click on Calculate button.
- Now the software will calculate the Unlock code and flash code for your modem.
- Note down the Unlock code only.
- Change the sim with other than default sim.
- Now plug your modem in your computer/laptop.
- Now let the run dashboard.
- Now its will ask you for unlock code / password.
- Just provide the unlock code which you have note down and click on OK.
Download Huawei 3G USB E1550 Modem Unlocker Software
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