How to Install Official Stock Rom V1 in Micromax Canvas A90S.

This is official Stock Rom of All Micromax Canvas A90s. Micromax released with this phone. If you have to update your Micromax Canvas A90s then you need to stop searching and start download and implementing to your deices.

Download Requirement:-
1. Charging Your Device up to 80%.
2. Download Driver Micromax A90S:- Click Here to Download
Must Read:- How to Install ADB Drivers of any Android device with PdaNet.
3. SP Tools :- Click here to Download
Must Read :- How to Root Micromax A90S.
4. Download Official Stock Rom:- Click Here to Download

Must Read:- Click Here to Video tutorial to Install Official Stock ROM on Micromax A90s

Installation Process:-
1. Install micromax A90S driver successful in your computer.(Driver in your Phone)
2. Install MT6577 USB VCOM drivers.
3. Extract SP tools & Stock Rom.
4. Open SP Tools folder. Then right click on sptool.exe run as administrator.
5. Then Click on Scatter-Loading option. 

6. Browse select the "MT6577_Android_scatter_emmc.txt" then press ok button.

7. Select all file.

8. Switch off your device with USB debugging.

9. Now click on download button or Firmware-Upgrade button on SP Tools.

10. Now connect your Micromax A90S with USB cable to your pc or Laptop
Note:- Don't interrupt this process.
11. After complete this process a green ring will appear on the screen.

12. Now Close SP Tools and Remove your device from PC.
13. Now switch on your device. it is successfully update.
Note:- I am not responsible if you make any mistake and damage or any other problem your device.