How to Install Stock ROM on Oppo A9 2020 [Firmware Flash File]

Looking to Install a firmware flash file on Oppo A9 2020 CPH1937? then you are at the right place. Now install the official Stock firmware on Oppo A9 2020. Oppo A9 2020 was launched by the end of 2019. It came out of the box with Android 9.0 Pie and later received Android 10. Oppo A9 2020 which is under the hood runs on a Qualcomm processor.

On this page, we will guide you on how to flash the official stock firmware on Oppo A9 2020 using the software known as QFil Tool, Formally also called Qualcomm Flash image loader tool. By following this guide, you can fix any software-related issues such as hard brick, soft brick, Bluetooth or WiFi issue, GPS issue, lag, the screen of death (SOD), freezing, stuck on boot logo, boot loop, and many more.

Oppo A9 2020 CPH1937 Flash File

Flashing the Stock Firmware file on Oppo A9 2020 is quite easy and safe if you follow the guidelines and requirements we’ve mentioned below. You just need to download the flash file and required tools/drivers on your PC and then follow the guide to install the Stock ROM flash file on Oppo A9 2020 via QFil Tool (Qualcomm Flash image loader tool). This guide is also helpful to recover, unroot, or fix any software issue completely.

Remember this guide is also useful in case of upgrading or downgrading the firmware on Oppo A9 2020. The QFil flash tool will come in handy to flash the Stock ROM.

Before going to the flashing process, have a look at the Stock ROM advantages first.

Advantage Of Stock ROM

• To Unbrick your Oppo A9 2020
• Fix the bootloop problem
• Upgrade and Downgrade Oppo A9 2020
• Unroot or Fix Bugs on your phone
• Fix the lag or stutter on Oppo A9 2020
• Revert back to stock to gain your warranty
• Will able to receive OTA Updates

Follow the full step-by-step guide properly along with requirements, download links, and firmware details as well.

Firmware Details

• Device Supported: Oppo A9 2020 (CPH1937)
• Tool Supported: Qualcomm Flash image loader tool / QFil Tool
• Processor: Qualcomm SDM710 Snapdragon 710 SOC
• Android OS: 9.0 Pie
• GApps: Included
• Firmware File: Stock ROM (Stable)

Steps to Flash Stock ROM File on Oppo A9 2020 (CPH1937)

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

Pre-Requirements:

• This ROM file will only work on Oppo A9 2020. Don’t try it on other devices.
• A working PC/Laptop and a USB cable are required.
• Keep your device charged up to 50% at least for a smoother process.
• Take a complete backup of your device data (Internal Storage) before starting the flashing process.
• Download the latest Oppo USB Drivers from above and install it on your PC.
• Download QFil Flash Tools for upgrading firmware

Download Flash Files

• CPH1937EX_11.C.77: Download
• CPH1937EX_11_C.75: Download
• CPH1937EX_11_C.74: Download
• CPH1937EX_11_C.73: Download
• CPH1937EX_11_C.72: Download
• CPH1937EX_11_C.71: Download
• CPH1937EX_11_A.43: Download
• CPH1937EX_11_A.27: Download
• CPH1937EX_11_A.19: Download
• CPH1937_11_A.13_191011_cb4610de| Download | Mirror

Instructions to install:

After downloading the firmware file for Oppo A9 2020 from the link above, you will need to use the Qualcomm Flash image loader Tool to flash the Stock firmware. Here is a detailed guide mentioned below which you can follow completely.

Method 1: Instructions to Install via Recovery:

First, you can try the official method to install the OTA stock ROM update via Oppo device recovery. Follow the guide link given below to install the OTA update on the Oppo device.

Method 1: Instructions to 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 the QFIL tool

Method 2: Instructions to Install via QPST Tool:

Here are the instructions you need to follow in order to install Stock ROM on the Vivo Z1 Pro :

1. First of all, do all the PREREQUISITE STEPS and Now Open the Extracted QPST Folder
2. You will find two files with the name: Qualcomm_USB_Drivers_For_Windows.rar and QPST.WIN.2.7 Installer-00429.zip 
3. Open the QPST Win folder and Install the QPST.exe file on your PC/Laptop 
4. After Installation, Go to the Installed Location in the C Drive
5. Open the QPST Configuration 
6. Now in the QPST Configuration, Click on Add new port -> Select the com port of your device -> and close it 
7. Now Open the EMMC Software Downloader in the same folder located all the QPST Files 
8. In EMMC Software Downloader, Check program boot loaders -> Browse for the device com port
9. Now Click Load XML Def and browse for rawprogram0.xml in folder ROM in EMMC Software Downloader (If you didn’t extract please extract the ROM and then browse the file rawprogram0.xml)
10. Now tap on Load Patch def and browse for patch0.xml in folder ROM 
11. Check the search path 2 and browse for the folder ROM 
12. Now click download, wait for the download to finish (it never finish but it also detects for a new driver, and that’s important) and it will search for the new hardware found, install the driver
13. That’s it! Once your installation is done! Reboot the phone! Congrats, you successfully installed Stock ROM on Vivo Z1 Pro.

We hope that you’ve successfully installed the Stock Firmware on the Oppo A9 2020 (CPH1937) Android device easily. If you have any issues or queries, feel free to ask in the comments below.