open unlock tool : LINK HEREprocedure :
click oppo
typ CPH1989
-- Oppo reno2 f meta factory 2 [ cph1989 - MT6771 ]
-- click factory reset [2] [EMMC]
hold voll up down sa boot key
saksak usb wait.... mag done

sa FRP typ *#813# done


info logs"
FACTORY RESET [2] [EMMC] Make sure phone battery level is at least 10%!
Waiting for device... COM3 [BOOTROM:0E8D:0003]
Handshaking... OK
Reading hardware info... OK
Hardware code : MT6771 [0x788]
Hardware sw : 8A00 CA00 0000
Security Config : [0xE5] [SCB : Yes] [SLA : No] [DAA : Yes]
MEID : 42067F96D5941AABE4E596BEBB1A13C8
Booting META mode... OK
Make sure phone battery level is at least 10%!
Waiting for device... COM27 [META:0E8D:20XX]
Authenticating... OK
Initializing META... OK
Connecting to META... OK [Ver:0] [Rate:921600]
Reading Software Info... OK
Brand : OPPO
Board : oppo6771
Platform : mt6771
Model : CPH1989
Android : 10
Security Patch : 2020-08-05
Build ID : CPH1989EX_11_C.14
Build Date : Wed Aug 26 23:26:32 CST 2020
Oppo Name : OPPO Reno2 F
Oppo Model : CPH1989
Erasing USERDATA... OK
Rebooting device... OK
UNLOCKTOOL 2023.07.12.0
Elapsed time : 39 seconds

