Code:
Action : Format UserData.
Selected OPPO:A39
Exe version: NCKDongle AndroidMTK 2.5.9.6
Reinsert phone battery.
Battery must be charged.
Keep VOL+ button untill inserting USB cable.
Detected : MediaTek USB VCOM (Android) (COM1028)
Boot mode: Brom
Phone detected...Please wait
BBCHIP: 6755 1 cb00
Using Algo 3.
Helio MT6755 phone detected, swithing to helio api
Loading Custom Preloader
BBCHIP MT6755
[1]Storage EMMC
EMMC FW VERSION: 00:00:00:00:00:00:00:00
EMMC CID: 13014E51334A39 : 000000000000000000
EMMC UA SIZE: 0x747c00000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0x748800000 [29.133 GB]
Status: USB_FULL_SPEED
Detecting high speed port, wait......
If driver not installed, install high speed port driver.
If not need high speed port, disable it.
After repeat opperation.
Detected : MediaTek DA USB VCOM (Android) (COM145)
Detecting format adress....wait!
Starting generic userdata format...!
Partition: cache begin: 0xd1000000 length: 0x10000000
Partition: userdata begin: 0xe1000000 length: 0x665bfbe00
Phone can start slow at first power on
If phone stuck on logo, perform wipe from recovery.
First start can take up to 5 min on some phones.
Wait untill phone will start charging.
All done.