How to Update Micromax A90/ A90S with Android 4.0.4 ICS Megamax Custom ROM

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Micromax A90/ A90S can be updated with Android 4.0.4 custom ROM, latest Android version. The ROM was rolled out a couple of days ago. The latest ICS can now be installed on the Micromax A90/ A90S Android phones, all thanks to XDA Senior Member shahulakthar for his hard work. You need to have ClockworkMod recovery installed in order to flash this custom ROM firmware. You can easily update Micromax A90/ A90S with Megamax Android 4.0.4 ICS ROM using the tutorial below.

As you proceed with article, we will guide you through the process of how to install Megamax Custom ROM Android 4.0.4 ICS on Micromax A90/ A90S. Just ensure that you follow the pre-requisites sections essentially as it will help you to backup your Android device.

Micromax A90 or A90S- How to Update Micromax A90 or A90S with Android 4.2.2 Jelly Bean Megamax Custom ROM

Warning: Neither we nor the developer will hold any responsibility if you damage or brick your phone in the process of following this article. Therefore, please proceed at your own risk.


Measures to take before Updating your device:

Step 1: You should fully backup your Android device before updating it. Backup all your SMS, Backup/Export Contacts, Backup APN settings. You can take help from our article on Tutorial for creating backup of Android device without root access.

Step 2: You should Backup all apps on your device, unrooted users can follow this method procedure to backup apps. If you have already rooted your device then use Titanium to Backup and restore apps and cache data.

Step 3: You should enable USB debugging on your device, to activate USB Debug go to “Settings>Developer options” and check the USB debug option box. Problem enabling USB Debugging you can follow article on How to enable USB debugging on Jelly Bean, Ice Cream Sandwich and Gingerbread.

Step 4: There should be 50% or more amount of battery juice on your device. To know how much charge your device is having you can use our tutorial on how to get battery percentage on Status bar.

Step 5: You should disable security apps and programs like Antivirus and Firewall on your Android device as they may interrupt the procedure.

Assuring that you have followed all the above mentioned steps, you can proceed further. If there is something which worries you, let us know we are always here for you.

Download Android 4.0.4   ICS Megamax Custom ROM file and Google Apps Package from here to your computer. Place both the downloaded file into the root directory of your phone’s SD Card.

Update Micromax A90/ A90S with Android4.0.4 ICS Megamax Custom ROM:

Step 1: First of all, download ROM Manager App from Google Play Store on your Droid Bionic and install the same.

Step 2: Now, open ROM Manager App and tap on “Reboot into Recovery” to boot your device into Recovery Mode.

Step 3: Next, from the main recovery menu, select “wipe data/factory reset” and “wipe dalvik cache” to clear all the cache data’s on your phone.

Step 4: Now, from the main recovery menu select “install zip from sdcard” and then select “choose zip from sdcard” and then select the “Android 4.2.2 Jelly Bean Megamax Custom ROM” file you’ve placed on the SD Card.

Step 5: As soon as the ROM file has been flashed, flash the Google Apps Package in the same manner as you’ve flashed the ROM file.

Step 6: When the installation process has completed, select “+++++Go Back+++++” and then select “reboot system now” to reboot your phone.

Awesome! You have successfully updated your Micromax A90/ A90S with Android 4.0.4 based Jelly Bean Lookalike Megamax custom ROM. Do let us know if you have any queries, we are here to help you always.

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16 thoughts on “How to Update Micromax A90/ A90S with Android 4.0.4 ICS Megamax Custom ROM


  2. Hello dear..thanks a ton for the above rom..can you please advise if there are any loop holes in the ROM for instance – problem with HD videos on you tube or say camera app.. please also mention a way to set the phone back to original ICS ..Many thanks

    • we have not tested the ROM yet. But its on XDA forum and no one has reported issues yet. I think its a ported version from CAnvas HD.

      • Shahulakthar says:

        i am the one who created megamax Rom. But you have misunderstood what i have done.
        I created Ics custom rom for A90 and A90s.
        JB custom rom for Micromax Canvas2 A110.

        Canvas2 A110 device is different from A90 and A90s.

        But i will create JB Rom for A90 and A90s when i get JB kernal Source.

  3. Is the Megamax rom compatible with both micromax A90 and A90s as both have different chipsets or can it be installed on any device between the two?

  4. Sachin Patil says:

    It is only for the rooted phone? Coz did
    Not find any root dictionary in sd card. If its for unrooted phones too then where can I place that zip files?

  5. mohammad subhani says:

    how to install & download a90s official ICS firmware ….. Please

  6. mocro a90s not boot please help

  7. Mahesh Gaikwad says:

    LMT feature is not working in my A90s phone. It is giving an error, “LMY has stopped working”. What to do. I have re-installed this rom 3-4 ties.

  8. hi bro micromax a90s jb rom I hered that official rom released plz know the procedure

  9. i want to update my a 90 s with 4.2 if thier is an any update plese let me know and please let me know the procedure how to install it coz m not user friendly and doing it first time…. thankjs

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