How to Install MMX 352G Modem Drivers in Windows 8 or 8.1 or 10

Micromax MMX 352G is a very good plug and play 3G USB Modem and can give upto 7.2 mbps downlink. The modem supports the Operating Systems

• Windows 7/Vista/XP           
• Linux Ubuntu 9.10, 10.04
• Mac OSX 10.6 (Intel system only)

But with the release of Windows 8 and later versions, the upgraded Windows users are facing some problems with this modem. The modem Micromax MMX 352G is not working on Windows 8 and later due to its incompatibility. The modem drivers are not installed on Windows 8. But don't worry, because I am going to share a trick with you by which you can use your MMX 352G 3G USB Modem on your Windows 8 or Windows8.1 or Windows 10 PC.

This trick also works with other models of Micromax 3G USB Modems:
Micromax MMX 353G
Micromax MMX 355G
Micromax MMX 377G
Micromax MMX 144F and more...

Steps to Install The Modem Drivers in Windows 8/8.1/8.2/10

To install the Micromax 352G Modem Drivers in your Windows 8 PC, please follow the steps given below:

• Connect the modem to your PC.
• Open the folder containing the installation files.
• Save the settings for ShowModem.exe and Modem_installation to run in compatibility mode with Windows 7. (You can do this by right clicking on each of the files and selecting Troubleshoot Compatibility)

Troubleshoot Compatibility

• Now run ShowModem.exe and install the drivers.
• After the  installation, restart your PC.
• Connect the modem to your PC and run MMX352G 3G USB manager and it will show ‘No Device’. But don’t worry, the original trick starts from here!
• Now open Control Panel >> Device Manager, then under Other Devices, just uninstall all the drivers related to the modem.
• After that go to Action menu and click on ‘Scan for hardware changes’, then Windows 8 will automatically scan for the changes took place in the hardware and it will be automatically updated. (NOTE: The drivers you uninstalled in the previous step will not be shown under Other Devices after this step also.)

Device Manager

• Now run the MMX352G 3G USB manager installed in your PC, it will definitely work this time.
• Then connect to internet using your MMX 352G USB Modem and enjoy!

The above trick will work on all the editions of Windows 8 or 8.1 (Windows 8 Pro/ Enterprise/RT 32bit & 64bit) and may also work for MMX 353G model.

[New Method]

Easier Method to Install The Drivers

Contributed by Anshu Chaurasiya

Here is an easier method to install the Micromax Modem drivers in Windows 8 or 8.1 or 10 (issues solved 'No Device Found' in Windows 8 or 8.1):

1. Connect the modem to your Windows PC
2. Then install the setup file, if it shows 'Install Drivers...FAIL!', don't worry.
3. It will prompt for a restart then restart your PC.
4. Now go to C:\Program Files\MMX352G 3G USB Manager\Driver (it is Program Files(x86) for 64 bit users) where you find the following files:
   • cmnsmdm.inf >> right click >> install >> OK
   • cmnsser.inf >> right click >> install >> OK
5. Now run the modem software, it will show network. Tested by the contributor and its working.
6. Enjoy...!

>> For Windows 8.1 users (Updated Solution):

Even after following the above steps if your Modem is not detected (the 'No Device' issue persists) then follow the steps below after the above steps:

1. Open Control Panel>>Device Manager.
2. Uninstall the drivers of devices having yellow marks under Ports (COM & LPT) i.e. Device Application Interface, Device Diagnostic Interface and Device Pipe.
3. Then go to Action>Scan for hardware changes.
4. If again some devices appear with yellow marks, uninstall their drivers and scan for hardware changes.
5. Restart your PC (Optional Step).
6. Then open the Modem Software; your MMX352G Modem will be detected this time.

This method is also working on Windows 10. So follow the guide and do give the feedbacks.