New update of Micromax A77 Canvas Juice stock Rom V3

Micromax release new update of Micromax A77 Canvas Juice stock Rom V3 and here is a easy and safe tutorial of this update processes. It is stock Rom V3 of Micromax A25. Micromax Canvas Juice A77 is powered by a 1.3GHz Dual-Core processor with 1GB RAM. In this category phone do not offer higher 1 GB RAM. It is run on the latest Android 4.2 Jelly Bean Operating System with good performance. Canvas Juice A77 comes with a 5-inch capacitive display with a resolution of 480×854 pixels.

Preparation of flash or update:

1. Take a backup of your phone Click here.
2. Your phone battery should charge 80% minimum.
3. Read all steps then do it careful.
4. Make sure proper power backup of your PC.

Must Read: Increase sound and volume quality of Android Device

Download ROM and Tools of Micromax A77 Canvas Juice:

File NameDownload link
Micromax A77 Canvas Juice stock Rom V3Download
Micromax A77 Canvas Juice SP Tool V3.1344.0.214Download
Micromax A77 Canvas Juice USB DriverDownload

How to install new update of Micromax A77 Canvas Juice stock Rom V3 :

Step 1: Install drivers in your PC (If you feel any problem in install driver then watch this video Click here) and Enable USB Debugging on your Phone. Go to Settings >>> Developer options >>> USB debugging check it ( If your phone have Android 4.2 or upper version then see how to enable Developer options here is guide of this Click here). After then switch off your phone.


Step 2:  Extract the Stock ROM folder where you want then Extract and open the SP Tool. and run Sptool.exe Run as Administrator


Step 3: You will see an SP tool window, now click on the scatter-Loading option in the SP tool. Then you will get the new tab of SP Tool which you ask the location of the scatter file on your PC. You will find this scatter file in the extracted Stock ROM folder. Now go to the Rom folder and select the file “Android_scatter_emmc.txt”. See in this image.


Step 4:  Now You will see two options for flashing Rom, first is “firmware upgrade” option which is used to update or flash your Rom without deleting your data and second one is “Download” option this is work for format your phone then flash Stock Rom ( like fresh Rom installation). So choose according to your requirement and I suggest, click on the “Download” option and flash fresh Rom on your phone.

Step 5: Now connect your switch off phone to the PC via USB cable  (Make sure your phone is switched off). SP Tool detect your phone and process will start. See in blow image. If Sptool is not recognize/detect your phone then install vcom driver read this post it will help you click here  (Driver already in phone flash drive if you don’t have these drivers then install it)


Step 6: Now Sptool start downloading Stock Rom in your phone by flashing.


Note: Don’t interrupt this process as it can potentially brick your device. Make sure no power interruption takes place.

Step 7:  After the process complete, a green ring will appear.


Step 8: Disconnect your phone. Now your phone is updated. If you feel any problem of flashing or update your phone then watch this video click here.

Must Read: How to repair or Fix water damaged smartphone

After install new update of Micromax A77 Canvas Juice stock Rom V3, you can root your phone because root allows you to use a maximum of your phone without any restrictions. After root you will install custom apps, Rom and custom setting in your phone. But first read Root Advantage and Disadvantage by this article, then here is a root guide: How to root Micromax Juice A77.

Previous version of Micromax A77 Canvas Juice Stock Rom:
Micromax A77 Canvas Juice Stock Rom V1
Micromax A77 Canvas Juice stock Rom V2

I hope you like this new update of Micromax A77 Canvas Juice stock Rom V3 installation guide from which you will be able to easily install new update of Micromax A77 Canvas Juice stock Rom V3 without any extra efforts. If feel any problem in this guide then please use comment box. Thanks to all.

Note: I am not responsible if you make Mistakes and Bricked Devices.

6 response on “New update of Micromax A77 Canvas Juice stock Rom V3


    suddenly my contact numbers are missing in my Micromax Canvas A1 phone.
    please help me to recover/restore my contact data.


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