How to Install Official Stock ROM on Oppo R15 (CPH1835) [Firmware/Unbrick]

Looking to Install Stock ROM on Oppo R15 (CPH1835)? then you are in the right place. Now install the official Stock firmware on Oppo R15. Oppo launched the latest smartphone called Oppo R15. It came out of the box with Android 8.1 Oreo. Oppo R15 which under the hood runs on MediaTek processor. Here we will guide you to install the official Stock ROM on Oppo R15 using the software known as SP Flash Tool, Formally also called Smartphone Flash 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.

OPPO R15 is a dual SIM smartphone launched in March 2018. The phone comes with a 6.28-inch touchscreen display with a resolution of 1080 pixels by 2280 pixels. It runs on 2GHz octa-core MediaTek Helio P20 processor and 6 GB of RAM. It comes with Android 8.1 Oreo out-of-the-box. This device packs 128 GB of expandable internal storage. R15 brings a 16-megapixel primary camera on the rear and a 20-megapixel camera on the front.

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 the bricking of the device. It can happen with any device. In this post, we will tell you how you can restore or unbrick Oppo R15 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 R15 using SP Flash Tool. Yes, this guide is also helpful to recover, unroot or fix any software malfunctioning problem.

How to Install Official Stock ROM on Oppo R15 [Firmware/Unbrick]

How to Install Stock ROM on Oppo R15 (CPH1835)

Remember this guide is also very much needed in case of upgrade or downgrade the firmware on Oppo R15. First of all, download the software, Smartphone Flashtool on your PC and then flash your phone back to Stock ROM. We request you to read the steps carefully before upgrading Oppo R15 using this guide.

The Advantage Of Stock ROM:

  • Flash Stock To Unbrick your Oppo R15
  • Flash Stock ROM to Fix the boot loop problem
  • Upgrade and Downgrade Oppo R15
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on Oppo R15
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.
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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 R15.

Firmware Details:

  • Gapps File: Included
  • Device Supported: Oppo R15 (CPH1835)
  • Android OS: 8.1 Oreo
  • Tool Supported: SP Flash Tool
  • Language Supported: Multi-Language

Download Firmware

Download File Description
Download New PAAM00_11_A.31 – China
DownloadNew CPH1835_11_A.22_180926_ec586eef
Download CPH1831EX_11_A.02_180513_0f723ffa
Download CPH1835_11_A.09_180419_7e3f4d2a
Download Oppo R15 Stock Firmware File

Steps to Install Stock Firmware on Oppo R15:

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 R15 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.
  • Smartphone Flash Tool: Download the latest SP Flash tool and extract it (Install)
  • VCOM driver: Download VCOM Driver and install on your computer (still compatible with MT67xx phones)
  • Install Latest Driver: Install the Latest Oppo USB Drivers. [For All Android USB Drivers]
  • Download: Download the below given required files on your PC.

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


Instructions to Install on Oppo R15:

Guide to Install Stock ROM using SP Flash tool

Guide to Install Stock ROM using SP Flash tool – Video Tutorial

I hope you installed the Stock ROM on Oppo R15 successfully, Now please rate this website with your comment. We always welcome feedback and improvements.


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