![[Flash File] Oppo A3S CPH1803 Firmware Download [Stock ROM]](https://www.blogthetech.com/wp-content/uploads/2020/10/Oppo-A3S-CPH1803.jpg)
This article will provide all the Oppo A3S CPH1803 firmware flash files ready for download.
We will also provide instructions on how to flash the Oppo A3S CPH1803 stock ROM easily below.
Oppo A3S CPH1803 Firmware Information
| ROM OS Version | Android 8.1 |
| Software needed | Qualcomm Flash Image Loader/MSMDownload |
| Drivers | Oppo A3S CPH1803 Drivers |
| Oppo Model | A3S CPH1803 |
You can use this firmware file to flash the Oppo A3S CPH1803.
If you also want to downgrade or upgrade the Oppo A3S CPH1803, you can use this stock ROM.
This firmware flash file can also help fix many problems on your Oppo A3S CPH1803.
Problems like hanging, battery drain, app crashing, etc.
You can use this stock ROM to remove the locked screen, remove root, fix many system errors, and unbrick the Oppo A3S CPH1803.
DOWNLOADS
| Filename | Download Link |
|---|---|
| CPH1803EX_11_A.34_210122_27fe4659 | Download A.34 (2021-01-22) (MediaFire) |
| Oppo_A3S_CPH1803_EX_11_A.12_180927.zip | Download A.12 (2018-09-27) (Google Drive) |
| Oppo_A3S_CPH1803_EX_11_A.34_210122_RFT.zip | Download A.34 (2021-01-22) (MediaFire) |
| CPH1803EX_11_A.24_191225_27fe4659.zip | Download A.24 (2019-12-25) (MediaFire) |
| CPH1803EX_11_A.20_190923_27fe4659.zip | Download A.20 (2019-09-23) (MediaFire) |
| Oppo_A3S_CPH1803_EX_11_A.19_190717.zip | Download A.19 (2019-07-17) (Google Drive) |
How to flash Oppo firmware using Qualcomm Flash Image Loader (QFIL)
How to install ROM on Android using MSMDownload Tool
Different chipset? Learn how to flash All Firmware.
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