Before you flash
Match the exact model, region, and branch name. Similar model numbers are not the same device.
Need flashing steps?
Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.
Looking to install the stock ROM on your Oppo A3s CPH1853? This comprehensive guide provides direct download links for the firmware flash file and clear, step-by-step instructions to get your phone back on track.
This file can help you reset for bootloop, password reset, hanging and fix many other problems.
This file is strictly for the Oppo A3s CPH1853.
Download
- CPH1853EX_11_A.39_201227_653a8ae6.7z
- Oppo_A3S_CPH1853_11_A.21_190315.zip
- Oppo_A3S_CPH1853_EX_11_A.20_190105.zip
- Oppo_A3S_CPH1853_11_A.19_181212.zip
- Oppo_A3S_CPH1853_11_A.18_181119.zip
- Oppo_A3S_CPH1853_11_A.17_181107.zip
- Oppo_A3s_CPH1853_11_A.16_181022.zip
- Oppo_A3s_CPH1853_11_A.15_180922_QFIL.zip | (HOW TO FLASH)
- Oppo_A3s_CPH1853_11_S.02_180918.zip
How to Flash the Oppo A3s CPH1853 Firmware
- Download the Oppo A3s CPH1853 firmware file to your PC and extract the downloaded file.
- Inside the extracted file are the main firmware file, the file driver, the flash tool, and the instructions on how to install the firmware.
- Install the driver, connect your phone to the PC with a USB cord, and launch the flash tool software.
- Follow the flashing process provided by the flash tool to flash your device.
- Disconnect your phone once the process has finished and enjoy the new device.