If your bootloader cannot be unlocked, or if you are a novice user, Instead, use the "Google Services Installer" apps available within the ColorOS App Store (or via third-party installers like GBox). This allows you to run Google apps on the Chinese ROM without risking your device.
: You typically need a specific "Convert Global" firmware package tailored to the device's project ID (e.g., ProjectID-180551 for some variants). Device Recognition oppo a5 convert global
Put your phone into (typically by holding Volume Up and Down while connecting to the PC). Select the prog_emmc_firehose and XML files in QFIL. Click Download to flash the global system image. Method 3: The "Soft" Global Conversion (No Flash) If your bootloader cannot be unlocked, or if