[Z3X]

Originally Posted by alitabraiz83

Selected model: Vivo V2043 (Y20 2021)
Operation: Read Flash Info
Software version: 3.7

Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone to any port in BROM/PRELOADER Mode
Wait for device connecting... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek PreLoader USB VCOM (Android),usb2ser.sys,3.0.1504.0]
Device found at COM4 [PRELOADER]
Open port... OK
Send start cmd... OK
Get HW code from device... 0766
Get HW & SW version from device... OK
HW VER: CA00, SW VER: 0000, HW SUB CODE: 8A00
Detect chip [MT6765]
Library Version [2]
Select platform... OK
Init BROM... OK
Force Charge... OK
Disable WatchDog Timer... OK
Force switch to BROM... OK
Wait for device connecting... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek PreLoader USB VCOM (Android),usb2ser.sys,3.0.1504.0]
Device found at COM4 [PRELOADER]
Open port... OK
Send start cmd... OK
Get HW code from device... 0766
Get HW & SW version from device... OK
HW VER: CA00, SW VER: 0000, HW SUB CODE: 8A00
Detect chip [MT6765]
Library Version [2]
Select platform... OK
Init BROM... OK
Force Charge... OK
Disable WatchDog Timer... OK
Reopen port for libver2... OK
Preloader exist. Skip connection verification.
Load DownloadAgent... OK
Search DA... OK [20]
Send bootloader... error(DA_INIT_KEY_FAIL)

Hello. Whats device condition, how do you connecting it, etc??? Provide more info.