: Since official support has ended, manual flashing of .ozip firmware files via an SD card in Recovery mode is possible, but only recommended for experienced users as it can permanently brick the device. Important Precautions
Since there have been several major updates for the Oppo A9 2020 (from Android 9 to 10, and then 11 with ColorOS versions in between), I have created . You can choose the one that best matches your current experience.
Click the Start button in the MSM Download Tool. The flashing process will begin and turn green upon completion.
Flashing will erase all user data (photos, contacts, apps). Oppo A9 2020 Firmware
There are two primary ways to install the firmware on your Oppo A9 2020. Method 1 is the safest and easiest option for working devices, while Method 2 is reserved for bricked or unresponsive devices. Method 1: Clean Installation via SD Card (Recovery Mode)
Ensure you are using CPH1937 firmware, as others can permanently damage the device.
Oppo A9 2020 (Model CPH1937/CPH1938) Go to product viewer dialog for this item. : Since official support has ended, manual flashing of
Restoring the phone to factory settings.
Note: Modern versions of the MSM Download Tool require authorized Oppo service center login credentials. You may need to use patched community versions of the tool or seek remote flashing assistance.
(model code CPH1937) was a popular mid-range smartphone launched with Android 9.0 Pie-based ColorOS 6.1. As users look to maintain performance, fix software issues, or recover a "bricked" device, understanding how to manage the Oppo A9 2020 Click the Start button in the MSM Download Tool
Flashing will erase all internal storage. Back up your photos, contacts, and documents to a cloud service or a computer.
If your phone is still functional, use the built-in update tool to get the most stable official release. Go to > Software Update . If an update is found, tap Download and Install .
This method is for minor updates, not for a full firmware re-installation.
: When the tool says "Download Complete," your phone will automatically reboot into a fresh version of ColorOS.