Root and TWRP recovery for Oppo N1
Oppo N1, the latest flagship Android smartphone from OPPO got working root method and TWRP recovery to flash custom ROMs or mods on your device.
You can find prerequisites, instructions on how to root, root wizard & ADB drivers download links from OPPO N1 sub forum on XDAdevelopers. Make sure you enabled developer options and USB debugging on your device.
TWRP recovery can be flashed on your device by installing Goo Manager App from Google PlayStore or from here. You can also download recovery.img file from Oppo N1 page on TWRP website here without installing Goo Manager App.
Source : XDAdevelopers here & here