How to Install Official Stock ROM on Oppo R11s Plus [Firmware/Unbrick]

Looking to Install Stock ROM on Oppo R11s Plus ? then you are at the right place. Now install the official Stock firmware on Oppo R11s Plus. Oppo launched the latest smartphone called  Oppo R11s Plus. It came out of the box with Android 8.1 Oreo. Oppo R11s Plus which under the hood runs on Qualcomm processor. Here we will guide you to install the official Stock ROM on  Oppo R11s Plus using the software known as MsmDownload Tool. If you have installed Custom ROM or bricked your device, then this guide will be helpful to fix back to Stock ROM or unbrick it.

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 Oppo R11s Plus back to the previous working condition.

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 Oppo R11s Plus using MsmDownload Tool. Yes, this guide is also helpful to recover, unroot or fix any software malfunctioning problem.

How to Install Official Stock ROM on Oppo R11s Plus

How to Install Stock ROM on Oppo R11s Plus

Remember this guide is also very much needed in case of upgrade or downgrade the firmware on  Oppo R11s Plus. First of all, download the software, MsmDownload Tool on your PC and then flash your phone back to Stock ROM. We request you to read the steps carefully before upgrading Oppo R11s Plus using this guide.

The Advantage Of Stock ROM:

  • Flash Stock To Unbrick your Oppo R11s Plus
  • Flash Stock ROM to Fix the boot loop problem
  • Upgrade and Downgrade Oppo R11s Plus
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on Oppo R11s Plus
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.
Check Popular Post


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 Oppo R11s Plus.

Firmware Details:

  • Gapps File: Included
  • Device Supported:  Oppo R11s Plus
  • Tool Supported: MsmDownload Tool
  • Language Supported: Multi-Language

Download Firmware

Download File Description
Download Oppo_R11s_Plus_CPH1721_11_A.04_171109
Download CPH1721EX_11_OTA_0090_all_7bnJ9tFtO1NZ
Download CPH1721EX_11_A.09_171222

Steps to Install Stock Firmware on  Oppo R11s Plus:

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


  • Charge your phone: Before you proceed with the below information, you are recommended to ensure that your Oppo R11s Plus is at least 50% charged.
  • Laptop or PC: To carry out this installation, you need 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.
  • MsmDownload Tool: Download MsmDownload Tool and extract it (Install)
  • Install Latest Driver: Install the Latest Oppo USB Drivers. [For All Android USB Drivers]
  • Download: Download the below given required files on your PC.

[su_note note_color=”#fbf5c8″ text_color=”#000000″]

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


Instructions to Install on Oppo R11s Plus:

  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 Oppo R11s Plus.

I hope you installed the Stock ROM on  Oppo R11s Plus successfully, Now please rate this website with your comment. We always welcome feedback and improvements.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.