Tested on R72sf, This is for the International Oppo R7S, Snapdragon models only! Do not flash on Mediatek R7Sm models!
ColorOS A.05 will allow for use of the OppoTools.
Which can be used to gain root access.
– Select the Model number corresponding to filegpt_main0_partition_msm_xxxxx.xml.bin (file in rom folder, xxxxx is Phone model number). Finished OK (Depending on the ROM that this step or not)
– Turn off your phone (remove battery if possible), hold down (Volume +) and connect to computer. At this point on the tool has a green line, keep the button (Volume +) for blue lines run 4 to 5 times and let go (Volume +)