Here is the coolest way to use any sim card in your
Blocked Modem.
Suppose if you have bought Aircel Modem 1750
and not satisfied with there service but you can't
any other Sim Card in there Huwaei 1750E Modem
because they blocked the firmware with Particular
sim card and if you want to change/Update your
Firmware or any kind of Unlocking will effect on
your Modem's Warranty.
Well don't wary about your Modem warranty or any
Damage because i have tested this methods with
couple of modems. its 100% working without
updating your firmware or Without loosing your
Warranty.
How to Use Any SIM in Blocked Modem Without
Unlocking:
1. Download & Install Latest Nokia PC Suite
2. Insert any SIM card in your Modem and Pluin
into your PC
3. Modem will show an error- "INVALID SIM CARD"
4. Don't Wary Close your Modem's Software/Client
5. Run Nokia PC Suite
6. Click on Internet Option
7. Select your Modem as Phone Modem 8. Now
Connect it will Connected Surely.

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