oppo a37f factory reset done
 

Operation: Factory Format
Searching for phone.....
FlashMode Detected.
Hello received.
HW ID: 00000000E1507000 MSM8916
PK HASH: CC3153A80293939B90D02D3BF8B23E0292E452FEF662C74998 421ADAD42A380F
STORAGE TYPE: EMMC
Sending loader, please wait..
Waiting for loader to start...
DiskSize: 14.56 GB
Userdata Size: 11.02 GB
Partitions count: 40
Manufacturer: OPPO
Cpu: arm64-v8a
Build Id: LMY47V
Model: A37f
Android Release: 5.1.1
Android Version: A37fEX_11_170919
Config: diag,serial_smd,rmnet_bam,adb
Security patch: 2017-09-01
Resetting userdata , wait
Total blocks 215
Resetting cache , wait
Total blocks 10
Factory reset done, wait untill phone start
This can take up to 5 min on slow phones.
Restarting phone.....
Total Time: 00:00:26
Done.
https://b.top4top.net/p_6702bj2s1.jpg