Original Oppo Firmware (Flash File)

Oppo A3 CPH1837

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On this page, you can find the official link to get the Oppo A3 CPH1837 Stock ROM Firmware (Flash File). The Stock ROM package comes as a zip file containing Firmware, USB Driver, Flash Tool, and How-to Install Guide.

Oppo A3 CPH1837 Stock ROM (Firmware)

The Oppo Stock ROM can update the device, downgrade the device, or fix the device facing a bootloop issue or any software issue. You can use the following link to get the ROM on your computer.

File Name: Oppo_A3_CPH1837_EX_11_A.31_20190521_OTA.zip
File Size: 2 GB
How to Flash (install): Copy the update.zip file to Phone SD Memory and Flash it from the recovery menu.

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File Name: Oppo_A3_CPH1837_EX_11_A.37_191003.zip
File Size: 4 GB
How to Flash (install): Use the Provided Flash Tool to Flash the Firmware.

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File Name: Oppo_A3_CPH1837_EX_11_A.39_191014.zip
File Size: 4 GB
How to Flash (install): Use the Provided Flash Tool to Flash the Firmware.

Mirror 1 (GDrive)Mirror 2 (GDrive)

How to install Oppo A3 CPH1837 Firmware

  1. Download and Extract the Oppo A3 CPH1837 Stock ROM Package on the Computer.
  2. Once you have extracted the Stock ROM package, you will be able to get the Firmware, USB Driver, Flash Tool, and How-to Flash Guide.
  3. Install the Provided USB driver on the computer.
  4. After installing the USB Driver, Connect your device to the computer.
  5. Once Your device is connected to the computer, Copy the zip package to the Phone SD memory.
  6. Disconnect your device from the computer.
  7. Power off the device and Reboot into the Recovery menu.
  8. Once your device is rebooted into the recovery mode, Flash the update.zip package.

Readme Once:

[*] Backup: We recommend taking a backup of your data from the device, as flashing or installing the ROM using the Flash Tool will permanently delete your data from the device.

[*] Credits: Our firmware is 100% authentic and has been officially released by Guangdong Oppo Mobile Telecommunications Corp., Ltd. We have scanned the above firmware using the Norton AntiVirus Plus before sharing it online.

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