Install new update v4 of Micromax A116 Canvas HD.

Tools Requirement:-
1. Charging Your battery up 80%.
2. Micromax A116 Canvas HD Driver:- Click Here to Downlaod
Must Read:- InstallCWM Recovery in Micromax A116 Canvas HD
3. SP Tools For Micromax A116. Click here to Download
4. S9201_4.2_MP_F3F8_B1_IN_MMX_13:- Click Here to Download
5. MT6589 USB VCOM drivers. Click here to Download.
Must Read:- How to Root Micromax A116 Canvas HD 
6. Enable USB Debugging in your Devices
Installation Process
1. Install Micromax A116 driver successful.(Driver in your Phone)
2. Install MT6589 USB VCOM drivers.
3. Extract SP tools & S9201_4.2_MP_F3F8_B1_IN_MMX_13.
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 "MT6589_Android_scatter_emmc.txt" then ok.

7. Check all File.

8. Switch off your phone with USB debugging.(go to setting-Developer options - USB debugging)
9. Now click download or Firmware-Upgrade on SP Tools.
10. Now connect your mMicromax A116 with USB cable to your pc or Laptop
Note:- Don't interrupt this process as it can be complied.
11. After this process completes, a green ring will appear.

12. Now Close SP tool….. Remove Phone from PC.
13. Now switch ON your dives. it is successfully update.
      Enjoy
Enjoy Your Micromax A116 Canvas HD successfully upgrade. 
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Note:- I am not responsible if you make any mistake and damage or any other problem your devise.