How to Install Stock ROM on China Mobile A3s [Firmware Flash File/Unbrick]

Did you brick your device or Want to fresh install the Stock ROM on China Mobile A3s? then you are in the right place. Here we will guide on how to download and install the Stock firmware on China Mobile A3s. The device is powered by Qualcomm processor. To install Stock ROM on Qualcomm powered device, you need software known as QFIL Tool, Formally also called Qualcomm Flash Image Loader. Download the China Mobile A3s Stock Firmware, drivers and QFIL tool, then you can follow our guide to install the firmware on China Mobile A3s.

Android always opens the door to various possibilities such as flashing custom ROM or kernel or APK modding etc. These feats can be achieved by providing root access to your device or simply rooting your phone.  In today’s date, rooting or customizing is no rocket science, but people perform these process carelessly. Certain users hastily carry out the modding/rooting process without properly following instructions. It leads to bricking of the device. It can happen with any device. In this post, we will tell you how you can restore or unbrick China Mobile A3s back to the previous working condition.

How to Install Stock ROM on China Mobile A3s

How to Install Stock ROM on China Mobile A3s

The guide is simple and easy! All you have to do is simply download the below-given firmware files and tools on your PC and then follow the given instruction to install the Stock ROM on China Mobile A3s using QFIL Tool. Yes, this guide is also helpful to recover, unroot or fix any software malfunctioning problem. Remember this guide is also very much needed in case of upgrade or downgrade the firmware on China Mobile A3s. First of all, download the software, Qualcomm Flash Image Loader on your PC and then flash your phone back to Stock ROM. We request you to read the steps carefully before upgrading China Mobile A3s using this guide.

The Advantage Of Stock ROM:

  • Flash Stock To Unbrick your China Mobile A3s
  • Flash Stock ROM to Fix the boot loop problem
  • Upgrade and Downgrade China Mobile A3s
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on China Mobile A3s
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.


So before jumping into the manual upgradation setup, please make sure you have a good amount juice with at least 80% Charge. If not please charge the phone. Backup your phone in case if you need it later. If you brick the device we are not responsible. Do it at your own risk. Remember this guide is to update the Stock ROM on China Mobile A3s.

Also Read

Unofficial TWRP Recovery for China Mobile A3s | Root Your Phone



Firmware Details:

  • Gapps File: Included
  • Device Supported: China Mobile A3s
  • Tool Supported: QFIL
  • Language Supported: Multi-Language

Download Firmware

Download Link Descriptions
Download M653_01.33.00RPD_CN.00.7z
Download O_M653_01.42.02RPD_CN.00(SW_M86617AA1_V042_M10_CMCC_A3S_USRD_TEST).rar
Download NO_M653_01.44.00RPD_CN.00(SW_M86617AA1_V044_M10_CMCC_A3S_USR_MP).zip

Steps to Install Stock firmware on China Mobile A3s:

Before installing, make sure to follow the pre-requisite and install the necessary drivers and tools on your PC.


  • Supported device: China Mobile A3s
  • Charge your phone: You need at least a 50% charge on China Mobile A3s
  • Laptop or PC: To carry out this installation, you need a PC or Laptop.
  • Take Device Backup: The very first thing to pay attention to is taking the device backup. You might not be able to take the backup of phone data, however, if you have inserted a memory card in your device, remove it at least to save it.
  • Qualcomm Flash image loader: Download QFIL Tool
  • MsmDownload Tool: Download MsmDownload Tool and extract it (2nd method)
  • Install Latest Driver: Install the Latest  China Mobile USB Drivers. [For All Android USB Drivers]
  • Download: Download the above-required files on your PC.

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Disclaimer: We at cannot be held responsible if anything goes wrong. Take your own risk!


Method 1: Install via QFIL Tool:

Download Qualcomm Flash image loader tool and USB Drivers on your PC. Follow the below link to install the firmware using QFIL tool

Guide to Install Stock ROM using QFIL Tool

Method 2: Install via MSMDownload Tool

  1. First of all, Download the file required above and extract it on your computer.
  2. Now in the extracted folder, Run the file named MsmDownloadTool.exe as an administrator
  3. When you see the screen, now turn off your phone
  4. Connect your phone to PC using USB Cable while pressing VOLUME UP button.
  5. Now on the MSMDownload Tool screen, load the firmware.
  6. You can now click the “START ALL” button to start upgrading your phone.
  7. Once the complete installation process is done, you can unplug your phone from PC.
  8. That’s it! Now turn on your phone and enjoy new Stock firmware on China Mobile A3s.


I hope you installed the Stock ROM on China Mobile A3s successfully, Now please rate this website with your comment. We always welcome feedback and improvements.


  1. Hello!
    Except version 01.33, all other versions do not have the multi-language option, that is, only has the English and Chinese language.
    Will it be possible to get a newer version but with more languages ​​(for example Portuguese)?
    Thank you

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