Download Oppo A3S CPH1803 Stock Firmware ROM (Flash File) for your Oppo Android Smartphone. Included contains Flash Tool, USB Driver, and how-to Flash manual instructions. The Oppo CPH1803 running on Android v8.1 Oreo version which is manufactured by Qualcomm SDM450 Snapdragon 450 CPU. Use MSM Download Tool for flash Firmware on this device.
[*] Chipset: Qualcomm SDM450 Snapdragon 450.
[*] Driver: Qualcomm Android USB Driver.
[*] Flash Tool: MSM Download Tool.
Download Oppo A3S CPH1803 Firmware (Flash File)
Build Number: CPH1803EX_11_A.02_180705
Android Version: v8.1 (Oreo)
Download Size: 4.26 GB
How To Flash Oppo A3S CPH1803 Firmware
Step 1: Download and extract Oppo A3S CPH1803 flash file on your Computer.
Step 2: Install SPD Android USB Driver (skip if already installed).
Step 3: Open SPD Flash Tool and select the .pac Firmware file using the Load Packet interface.
Step 4: Now click on Start Downloading button in the Flash Tool.
Step 5: Connect the device to Computer using USB by pressing Volume Up or Down button.
Step 6: Now wait until during the flashing process after done you will see the passed message.