Oppo A3 CPH1837
Oppo A3 CPH1837 is a Oppo firmware file listed under Oppo, distributed as Oppo_A57_CPH1701_EX_11_A.35_11_35_20180809_OTA.zip with a download size of 2 GB. It was published on April 28, 2026. This page has been viewed 20 times. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About Oppo A3 CPH1837
Oppo A3 CPH1837 Stock Firmware (Flash File) The Flash File will help you Upgrade, Downgrade, or re-install the Stock Firmware (OS) on your Mobile Device. In addition, the Flash File (ROM) also enables you to repair the Mobile device if facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue. File Name: Oppo_A57_CPH1701_EX_11_A.35_11_35_20180809_OTA.zip File Size: 2 GB How to Flash (install): Copy the update.zip file to the phone SD and flash it through the stock recovery mode. Mirror 1 (Free)Mirror 2 (Paid)
File Details
| File name | Oppo A3 CPH1837 |
|---|---|
| Package | Oppo_A57_CPH1701_EX_11_A.35_11_35_20180809_OTA.zip |
| Brand / Platform | Oppo |
| Category | Oppo |
| Build date | August 09, 2018 |
| Package format | ZIP archive |
| File size | 2 GB |
| Date added | April 28, 2026 |
| Price | Free |
How to flash Oppo A3 CPH1837
- Confirm Oppo A3 CPH1837 matches your exact device model and that it is intended for Oppo hardware.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (2 GB) using the button above and extract it on a Windows PC.
- Use the flashing tool for your device's chipset and follow its on-screen steps.
- Keep the device charged and connected until the process completes.
Frequently asked questions
Is Oppo A3 CPH1837 free to download?
Yes, Oppo A3 CPH1837 can be downloaded free of charge from this page.
How large is the download?
The Oppo A3 CPH1837 package is 2 GB.
Which devices is this firmware for?
This file is intended for Oppo devices. Always confirm it matches your specific model before flashing.