vivo y20 [Answered]
 

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Selected model: Vivo V2043 (Y20 2021)
Operation: Read Flash Info
Software version: 3.5

Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone to BOX in BROM/PRELOADER Mode
Wait for device connecting... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1632,usb2ser.sys,3.0.1504.0]
Device found at COM34 [BROM]
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
Switch virtual port to USB... OK
Connect Type-C to BOX... OK
Host Power On... OK
Wait for device... OK
Read usbhost speed... HIGH
Read Device Descriptor...
Get VID/PID...0E8D/0003
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]
Get sec config... OK [000000E5]
Active sec flags: [SBC DAA]
Advanced Bypass Security... OK
Disconnect virtual port... OK
Connect Type-C to HUB... OK
Wait for device connecting... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1632,usb2ser.sys,3.0.1504.0]
Device found at COM34 [BROM]
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
Get ME ID... OK
ME_ID = 0x16188A43, 0x0E22CFC8, 0xC63B61E6, 0x7D8C8529
Get Chip ID... [MT6765]
Get SOC ID... [73826CCFBF1A32734D3B7CEFA74AFEBE5E6EA7550F3E7F8777 B17B8044A6B7D6]
Get sec config... OK [000000E0]
Load DownloadAgent... OK
Search DA... OK [7]
Send preloader... OK
Start preloader... OK
Check preloader answer... OK
Send bootloader... OK
Start bootloader... OK
Wait for answer from bootloader... OK
Send SYNC signal... OK
Setup device enviroment... OK
Setup device parametres... OK
Receive DA SYNC signal... OK
Set DA parametres... OK
Get device connection agent... [BROM]
Get device info... OK
EMMC_ID: 0x90014A68433961503301100B85BF1861
Load EMI from phone... OK
Parse EMI config... OK
Init EXT RAM... OK
Send 2nd DA... error(1)
Selected model: Vivo V2043 (Y20 2021)
Operation: Read Flash Info
Software version: 3.5

Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone to BOX in BROM/PRELOADER Mode
Wait for device connecting... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1632,usb2ser.sys,3.0.1504.0]
Device found at COM34 [BROM]
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
Switch virtual port to USB... OK
Connect Type-C to BOX... OK
Host Power On... OK
Wait for device... OK
Read usbhost speed... HIGH
Read Device Descriptor...
Get VID/PID...0E8D/0003
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]
Get sec config... OK [000000E5]
Active sec flags: [SBC DAA]
Advanced Bypass Security... OK
Disconnect virtual port... OK
Connect Type-C to HUB... OK
Wait for device connecting... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1632,usb2ser.sys,3.0.1504.0]
Device found at COM34 [BROM]
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
Get ME ID... OK
ME_ID = 0x16188A43, 0x0E22CFC8, 0xC63B61E6, 0x7D8C8529
Get Chip ID... [MT6765]
Get SOC ID... [73826CCFBF1A32734D3B7CEFA74AFEBE5E6EA7550F3E7F8777 B17B8044A6B7D6]
Get sec config... OK [000000E0]
Load DownloadAgent... OK
Search DA... OK [7]
Send preloader... OK
Start preloader... OK
Check preloader answer... OK
Send bootloader... OK
Start bootloader... OK
Wait for answer from bootloader... OK
Send SYNC signal... OK
Setup device enviroment... OK
Setup device parametres... OK
Receive DA SYNC signal... OK
Set DA parametres... OK
Get device connection agent... [BROM]
Get device info... OK
EMMC_ID: 0x90014A68433961503301100B85BF1861
Load EMI from phone... OK
Parse EMI config... OK
Init EXT RAM... OK
Send 2nd DA... error(1)

Hello. Provide please screenshot of program.

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.