Use a high-quality SD card (formatted to FAT32) with enough space for the firmware file. Step-by-Step Flashing Guide 1. Download the Correct Firmware Visit the official OPPO Support or ColorOS website to find the firmware for your specific model (e.g., CPH1701 or CPH2387).

: Often requires a "Wipe Data" first to ensure a clean, successful flash.

The first boot after flashing may take longer than usual (up to 10 minutes) as the system finishes setting up. Troubleshooting Tips Stuck on Logo