Fixes devices stuck in a boot loop or frozen on the Oppo logo screen.
This is almost always a driver issue. Uninstall your current Android drivers, restart your computer, install the official Oppo USB signature drivers again, and try a different USB port (preferably a USB 2.0 port on the back of your computer). Flashing Fails Midway oppo a57 global firmware
Many users report that the Android 13 (ColorOS 13) update on the A57 drains battery faster. If you want to revert to the stable Android 12 (ColorOS 12.1) experience, you need the older global firmware package. Fixes devices stuck in a boot loop or
If the device loops continuously on the Oppo logo after flashing, enter Recovery Mode again. Select Wipe Data / Factory Reset , clear the cache partition, and restart the device. Flashing Fails Midway Many users report that the