In this post, you will find the official link to get the Oppo A9S PCHM10 Firmware Download (Flash File). The Stock ROM package comes as a zip file and it contains Firmware, USB Driver, Flash Tool, How-to Flash Guide.
Oppo A9S PCHM10 Firmware Information
| Oppo Model | A9S PCHM10 |
| Rom OS Version | Android 9.0 (Pie), upgradable to Android 10 |
| Chipset | Qualcomm SDM665 Snapdragon 665 (11 nm) |
| Software needed | Recovery Method or Qfil Tool |
| File Format | Zip File |
The Need For The Oppo A9S PCHM10 Firmware:
The Oppo stock ROM will help you to downgrade or upgrade the stock firmware of your Oppo device. It will also help you to fix any software related issues below.
- Downgrade or Upgrade Oppo A9S PCHM10.
- Unbrick Oppo A9S PCHM10.
- Unroot Oppo A9S PCHM10.
- Fix Issues on Oppo A9S PCHM10.
Download Oppo A9S PCHM10 Stock Firmware
File Name: Oppo_A9S_PCHM10_11_A.27_191202.zip
File Size: 5 GB
How to Flash: Use the Provided Flash Tool to Flash the Firmware.
Flash Oppo A9S PCHM10 Stock Firmware
1. Download and Extract the Oppo A9S PCHM10 Stock ROM Package on your Computer.
2. Once you have extracted the Oppo ROM zip package, you will be able to get the Firmware, USB Driver, Flash Tool, Flashing procedures.
3. Install the provided USB Driver on your computer.
4. After installing the USB Driver on your Computer, Launch the Flash Tool.
5. Once Flash Tool is launched, Load the Stock ROM (Firmware) in the Flash Tool.
6. Connect your Oppo Device to the Computer using the USB Data Cable.
7. Click on the Download or upgrade (in flash tool) button to start the flashing process.
8. Once the Flashing process is completed, Disconnect your device from the computer and restart it.
Read me Once:
[*] Caution: Flashing Oppo A9S PCHM10 firmware to your phone will erase everything in your smartphone, including contents in internal storage. It is always very advisable to backup your contents to an external storage or a PC.
[*] Oppo Stock Firmware: If you are looking for the original firmware for your device, then head over to the Download Oppo Stock Firmware page.
[*] Oppo USB Driver: If you are looking for the original USB Driver for your device, then head over to the Download Oppo USB Driver page.
[*] Compatibility: You can use the above tutorial to flash stock firmware on almost all the Oppo Devices running on the Qualcomm chipset.