| Specification | Details | | --- | --- | | | Oppo A57 | | Model | CPH1701 | | Version | EX-11-A.35 | | Android Version | 6.0.1 (Marshmallow) / ColorOS 3.0 | | File Type | .ofp (Oppo Flash Package) or Firmware.zip | | Kernel Version | 3.18.31+ (Typical for this build) | | Security Patch | Varies (usually late 2017 or early 2018) | | File Size | Approximately 1.8 GB to 2.2 GB | | Flashing Tool | Oppo Smart Phone Flash Tool / QFIL |
Check if you downloaded the exact CPH1701EX file. Using the wrong model firmware will cause a hard brick.
The is the ultimate lifesaver for any owner facing software catastrophe. Whether you are dealing with a boot loop, a full brick, or persistent malware, this stock firmware restores your device to perfect working order.
In the world of smartphones, Oppo has carved out a niche for itself by offering devices that are not only aesthetically pleasing but also packed with cutting-edge features. The Oppo A57, with its model number CPH1701EX-11-A.35, is no exception. This device has garnered a significant following due to its impressive specifications and user-friendly interface. However, like any other smartphone, users may encounter issues that necessitate a reflash or update of the device's software. This is where the Oppo A57 CPH1701EX-11-A.35 flash file comes into play.
Comprehensive Guide: OPPO A57 (CPH1701EX-11-A.35) Flash File - Firmware & Installation Guide OPPO A57 (CPH1701EX)
If your device has been infected with malware or is filled with unwanted bloatware, flashing the stock ROM provides a fresh, clean slate, removing all third-party applications and returning the phone to its original, unaltered state.
🔍 For the CPH1701EX-11-A.35, the flash file package is usually around 1.8–2.2 GB and contains: preloader.bin, recovery.img, system.img, boot.img, and scatter file for SP Flash Tool.
Search for "Oppo A57 CPH1701 stock ROM collection" on reputable Android hosting sites. Verify the file name ends in .ofp or contains the exact string 11-A.35 .
Ensure your volume and power buttons are functional, as they are needed to enter Fastboot or Recovery modes.