Download Oppo A3s official firmware from the link here, and learn how to flash the update package from stock recovery, in few simple steps.

If you notice that any of the links provided below is broken or doesn’t work, please post in comments section so we fix and update it ASAP.

Download Options

Model/ Version Link Size Release Date
CPH1803EX_11_A.27 Download 2.10 GB 27/04/2020
CPH1803EX_11_A.25 Download 2.16 GB 30/03/2020
CPH1853_11_A.31 Download 2.01 GB 30/03/2020
CPH1853_11_A.31 Download 2.05 GB 25/03/2020

How to flash Oppo official firmware update

Once you have downloaded the stock rom update from above link, follow the instructions below to install:

  • Copy the update.zip package to your phone’s storage
  • Reboot the phone in recovery mode
  • Select Install from SD
  • Select the exact drive where you copied the firmware to (internal / external sdcard)
  • Choose the update.zip file
  • Confirm
  • Flash, and wait for the process to complete
  • Done.