REFERENCE Oppo F7 CPH1819 passcode unlock done with MRT key:

[GFCozamiz]

Oppo F7 CPH1819 New security passcode unlock via test point with MRT dongle...

***open MRT software exe...
***select tab MTK special tool...
***tick format{unlock}...
***tick Oppo[only]..Emmc_Flash_init_2 should be auto select...
***click start then press both volume +,- then short tp to ground shortly and insert USB cable to phone...
***wait until corresponding operation completed...
***Done and (collect 1.2k)

+++See more photos here...+++
https://www.facebook.com/gfc.reyabueva

Regards,
GFCozamiz