How to Update Micromax A90s with Android 4.1.1 Jelly Bean ZhaoBlastJB Custom ROM

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Yes, of course, you can now update the Micromax A90s with Android 4.1.1 Jelly Bean via ZhaoBlastJB custom ROM firmware. The ROM is feature-rich and has many cool inclusions. All these have been made possible by XDA Senior Member BHARDIK, so the credit goes to him. But, in order to flash this ROM on your A90s, it must be rooted and CWM/ TWRP recovery must install onto it. You can easily update Micromax A90s with Android 4.1.1 Jelly Bean ZhaoBlastJB custom ROM firmware.

As you proceed below, we will be guiding you on how to install Android 4.1.1 Jelly Bean ZhaoBlastJB custom ROM on Micromax A90s. But, remember that you must follow the pre-requisites section completely in order to backup your Android device completely.

We have already told you about the stable ICS ROM for Micromax A90S

Micromax A90s- How to Update Micromax A90s with Android 4.1.1 Jelly Bean ZhaoBlastJB 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.

Pre-Requisites:

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 ContactsBackup 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 ZhaoBlastJB ROM File and Google Apps Package from here to your computer. Place both the downloaded file into the root directory of your phone’s internal SD Card.

How to Update Micromax A90s with Android 4.1.1 Jelly Bean ZhaoBlastJB Custom ROM:

Step 1: First and foremost thing is, you must downloaded and install ROM Manager App from here onto your mobile.

Step 2: As soon as, the app in installed onto your device, open it and then tap on “Reboot into Recovery” so as to boot your device into Recovery Mode.

Step 3: Now, perform a wipe of the following: Cache, Data and Dalvik Cache.

Step 4: Next, from the main select “install zip from sdcard” then select “choose zip from sdcard” and then select the “ZhaoBlastJB ROM File” file you’ve placed on the SD Card.

Step 5: When the ROM file has been flashed, follow the same method for flashing “Google Apps Package”.

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

Great! You have successfully updated your Micromax A90s to Android 4.1.1 Jelly Bean via ZhaoBlastJB custom ROM. Let us know if you have any queries, we are here for you help always.

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5 thoughts on “How to Update Micromax A90s with Android 4.1.1 Jelly Bean ZhaoBlastJB Custom ROM

  1. buddy you written wrong methods to upgrade ZhaoBlastJB on A90s ??
    check XDA threads again or explain it with me …….. cuz u almost remove that Requirements parts of BLU Vivo 4.3 STOFK SPFT Firmware 🙂

    Thanks
    HArdy Ahir

  2. After install this rom ZhaoBlastJB1.1.zip my Micromax A90s not boot it’s haned on boot screen Please help

  3. jefferson santanna says:

    3 questions:
    1) Can I use the rom in Blu Vivo 4.3
    2) Dont have on video with tutorial or hands on?
    3) Need Root?

    Big Hug from Brasil!

  4. Jeff Santanna says:

    Thank you ! The rom is beautiful and run very well. Big hug from Brasil!

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