: Once the tool detects the phone, a progress bar will appear. Do disconnect the cable until a green ring or "Download OK" message appears.
The desk was cluttered with tangled micro-USB cables and a flickering laptop screen. In the center lay the patient: an firmware oppo f1s a1601
: Transitioning to custom firmware requires unlocking the Bootloader and installing a custom recovery like TWRP . : Once the tool detects the phone, a