This unlocking method will work only for aircel Micromax MMX352G 3G USB Modem which involves updating the firmware in your usb stick. so please be careful while upgrading the firmware and follow the instructions carefully.
Before proceeding ahead there are few points which you should be aware of and which needs to be taken care of while unlocking your usb modem:
1) Make sure that no power fluctuation happens while upgrading firmware, because it may result in crash of firmware in your data card and your data card might stop working properly.
2) Kill other running process of the modem before starting the firmware upgrade process.
3) Download Firmware for Micromax MMX352G Data Card Unlocker file and save it on your hard disk (File Size = 35.21MB).
How to Unlock Micromax MMX352G Data Card
- Plug-in the usb modem in your computer.
- Close the aircel mobile partner software (Aircel mobile partner software starts running automatically when you insert the modem in your PC)
- Extract downloaded firmware zip file and Run the MMX352G_MICROMAX_INDIA_V5.497_M_8.3.7.1.17_Google.exe file
- Click on Start button.
- Wait till the time setup process completes.
- Remove the USB Modem.
- Restart your PC/Computer.
- Done!, Your modem is now unlocked and you can use any SIM in the usb modem.
Sorry Links Removed by me After Complains in Modems
Sandeep who always wants to explore and share interesting Tips, Tricks, Tutorials, Guides and More. Catch him on 
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Nice Article Ashok..This data card comes packaged with Aircel. So plans by Aircel are not so attractive while other Operators have great Plans like Reliance is very Affordable…
plz how to start free vodafone internet
Sorry Currently i don’t have any Vodafone Free Internet Trick
hi sir I unlock my MMX352G modem of your inst but when i am insert other sim in modem. software is restart then restart.
and aircel 3g is not work after upgradation please help me.
Please Check that you have Follow Instruction Carefully Then try again By Scan Your Computer with antivirus and then Trun Off Antivirus For Some time.
tell me that Is any of sim card working or not ?
NOW LINK HAS BEEN REMOVED AFTER COMPLAINS
hiii sandy i upgrade my modem (mmx352g on aircel) but other sim is not work properly. when i insert any sim in modem. modem initializing then disconnected automatically and connect again automatically.
pls help me. about this.
try using other sim ..
some sim cards (like mine reliance ) give same prob in 3g while other sim works fine
If there is no problem in your sim cards Then you can Downgrade(revert to old) your data card after then try or May you can also try other latest or old version of Firmware. Hope this time works.
hi sandy mujhe lagta hai ki tumhare firmware se mera modem crash ho gaya hai.
crash problem solved karne ka koi tarikha ho to mujhe batao.
please please help me.
I don’t think so may be bcoz of wrong way of installing If not try these :
http://www.4shared.com/get/Fe1d-TVt/mmx352_g.html
http://www.4shared.com/get/TxtZYMXH/Huawei-Modem-Unlockerv581.html
hi sandy,
bro tumne mujhe jo link bataye the
http://www.4shared.com/get/Fe1d-TVt/mmx352_g.html
http://www.4shared.com/get/TxtZYMXH/Huawei-Modem-Unlockerv581.html
ye link mene download kiye but modem unlocker kaam nahi kar raha IMEI read error bata raha hai.
crash modem sahi karne ka koi aur tarikha batao,.
I think you need to downgrade your modem try to search on internet for Downgrade or Now my Advice to you if it crash they go to show they unlock and repair it
sandy bhai modem sahi karne ka koi to tarikha batao.
hi sandy,modem firmware se unlock karne se uski gaurantee khatam ho gai hogi kya.
abhi mera modem warantee me hai.
hey, can ne1 tel me how to get access 2 d micromax MMX352G’s firmware!
Sandy, i hav unlocked it. But wen i insert it, a new software is installed. But during the installation it says dat DRIVER IS NOT INSTALLED……..Wat to do? I hav tried doing it again & again….but no help. How can i get a driver & use it instead of my modems driver?
Complete uninstall restart then install again also try in other computer for check it working !
hello sir, I have to ask, if micromax modem firmware will crash, what,s the solution for repair such dead modems.
thanks for posting brilliant suggestions:
i can`t unlock my aircel modem
pls have me