Vivo x70 pro not connecting on preloader mode [Solved]
 

I test phone before few days ago but I don't post because team not post update on fourm so I face this issue
Selected model: Vivo PD2135 (X70 Pro)
Operation: Read Flash Info
Software version: 4.7

Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone in PRELOADER Mode
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek PreLoader USB VCOM_V1633 (Android),usb2ser.sys,3.0.1504.0]
Device found at COM34 [PRELOADER]
Open port... OK
Send start cmd... OK
Get HW code from device... 0950
Get sec config... OK [00000005]
Active sec flags: [SBC DAA]
Get HW & SW version from device... OK
HW VER: CA00, SW VER: 0000, HW SUB CODE: 8A00
LibUSB installed
Detect chip [MT6893]
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.
Get ME ID... OK
ME_ID = 0xE77C7360, 0x1451D40F, 0xAFCF6F62, 0x50F390C2
Load DownloadAgent... OK
Search DA... OK [12]
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... [PRELOADER]
Preloader alive. Skip initializing external RAM
Get device info... OK
UFS CID (FW VER): KLUEG8UHDC-B0E1 (0600)
Advanced Bypass Security... open error

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Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone in PRELOADER Mode
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek PreLoader USB VCOM_V1632 (Android),usb2ser.sys,3.0.1504.0]
Device found at COM26 [PRELOADER]
Open port... OK
Send start cmd... OK
Get HW code from device... 0950
Get sec config... OK [00000005]
Active sec flags: [SBC DAA]
Get HW & SW version from device... OK
HW VER: CA00, SW VER: 0000, HW SUB CODE: 8A00
LibUSB installed
Detect chip [MT6893]
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.
Get ME ID... OK
ME_ID = 0xC2DBBE7A, 0xE7250CE6, 0xBEA372AC, 0xBE05E68A
Load DownloadAgent... OK
Search DA... OK [12]
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... [PRELOADER]
Preloader alive. Skip initializing external RAM
Get device info... OK
UFS CID (FW VER): KLUEG8UHDC-B0E1 (0600)
Advanced Bypass Security... open error

Selected model: Vivo V2105 (X70 Pro 5G)
Operation: Read Flash Info
Software version: 4.8

im facing the same problem