Oppo A9 2020 Official firmware update



Updated: June 26, 2024

This is the official firmware update for the Oppo A9 2020. It will enhance and improve the performance of your smartphone. It will also help fix bugs and other software faults like corrupted system files, apps forced to close, and device lags.

Once you have downloaded the update package from the link in this post, backup all important data. Like contacts, messages, app data, etc., before you proceed with installing the update. See steps for installing the firmware update after the download link.

Download Oppo A9 2020 firmware update

Build NumberRelease DateFirmware LinkFile Size
CPH1937EX_11.C.772021/07/26Download3.45 GB
  • NOTE
    • Do not use this update on a rooted phone.
    • Charge phone battery to at least 50% before updating
    • You cannot use this package to downgrade your phone software.

How to update Oppo firmware

You can install this update using either of the two methods: via File Manager or Stock Recovery.

See Also: Oppo A5 2020 Official firmware update

Updating via file manager

After downloading (and copying) the firmware to your phone, launch file manager and navigate to the folder where the file is. Click on the file to run, and click Update now on the popup.


update Oppo via file manager. credits: Realme

Updating via stock recovery

  • Download and copy the file to your phone storage or SD Card.
  • Reboot phone in recovery mode by pressing Volume Down and Power buttons simultaneously, until the recovery screen shows up.
  • Choose your preferred language
  • Choose Install from storage device


Oppo stock recovery. credits: RealMe

  • Choose either phone storage or SD Card (depending on where you copied the file) and select the firmware package. E.G., RMX1851EX_11_OTA_0170_all_vdWIL8FbpHd3.ozip
  • Confirm that you want to update the phone by selecting Ok from the popup. Then wait patiently for the update process to begin and complete successfully.


confirm update to proceed. credits: RealMe

  • Try not to interrupt the update process.