Work — Oppo Brom Mode
echo brom > /sys/devices/platform/mt-usb/gadget/forced_brom
⚠️ On newer ColorOS versions (Android 12+), OPPO may block BROM writes unless the bootloader is unlocked. oppo brom mode work
For Brom Mode to respond, the PC tool must send a specific "sync" command (0xA0, 0xFE) within the timeout window. If missed, the phone reboots normally or goes into Preloader. echo brom >