Z3X vivo y21 security fail...plz fix it

[dev.rayhan954]

Selected model: Vivo PD2139BF (Vivo Y21 (2021))
Operation: Read PTT
Software version: 4.9
Work ID: 1241887

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 COM11 [PRELOADER]
Open port... OK
Send start cmd... OK
Get HW code from device... 0766
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
Detect chip [MT6765]
LibUSB installed
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 = 0x0B2A4772, 0x1203B342, 0x282480B7, 0x245440A1
Load DownloadAgent... OK
Search DA... OK [2]
Send bootloader... error(DA_INIT_KEY_FAIL)
Advanced Authorization (Preloader) not supported for this preloader version.

 

[sohail khan bewafa]

Reading security from phone... op_result:[Authentication Key not yet programmed]


Selected model: Vivo PD2139BF (Vivo Y21 (2021))
Operation: Repair
Software version: 6.10
Work ID: 35008321
this error occurs while repairindg the security ,any solution please come expert

 

[saidanshah]

Selected model: Vivo PD2140F (Vivo Y15s)
Operation: Repair
Software version: 9.3

Connect Type-C to NONE... OK
Host Power Off... OK
Connect phone to [PC] in BROM/PRELOADER Mode
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port,usb2ser.sys,3.0.1512.0]
You are using driver version 3.0.1512.0, we recommend using version 3.0.1504.0 for proper operation. You can install the correct driver from the program directory.
Device found at COM276 [BROM]
Open port... OK
Send start cmd... OK
Get HW code from device... 0766
Get sec config... OK [00000000]
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 = 0x4ADAB4AD, 0x6BEED060, 0x5ED72485, 0x3FA65558
Get Chip ID... [MT6765]
Get SOC ID... [B165C60D2D834B4ABCA7AF16C50A88A245AE0D993C49524100883BFE2B2011E8]
Get sec config... OK [00000000]
Load DownloadAgent... OK
Search DA... OK [7]
Send preloader... OK
Start preloader... OK
Checking 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: 0x1501003458364B4D420311E5CADAA797
Load EMI from phone... OK
Parse EMI config... OK
Init EXT RAM... OK
Send 2nd DA... OK
Get device info... OK
EMMC INFO:
EMMC_CNAME: 4X6KMB
EMMC_ID : 0x1501003458364B4D420311E5CADAA797
EMMC_BOOT1: 0x0000400000 (4.00Mb)
EMMC_BOOT2: 0x0000400000 (4.00Mb)
EMMC_RPMB : 0x0000400000 (4.00Mb)
EMMC_USER : 0x0747C00000 (29.12Gb)
RAM INFO:
INT_SRAM: 0x000003A000 (232.00Kb)
EXT_RAM : 0x0080000000 (2.00Gb)
HEALTH:
Pre EOL Info: normal
DeviceLifeTimeEstA: 0% - 10% device life time used
DeviceLifeTimeEstB: 0% - 10% device life time used
Checking USB status... USB_HIGH_SPEED
Read partitions info from phone... OK
Checking A/B state... OK
Read product info... [EXT4] ... OK
Product Brand : vivo
Product Manufacturer : vivo
Product Model : V2120
Product Name : 2020
Product Device : 2120
Product Board : k65v1_32_bsp_2g_ago
Board Platform : mt6765
Build ID : RP1A.200720.012
Build Date : Fri Oct 29 15:39:26 CST 2021
Display ID : RP1A.200720.012 release-keys
Security Patch : 2021-10-01
Version SDK : 30
Version Release : 11
Version Codename : REL
Firmware Version : eng.compil.20211029.154246
Userdata FS Type : F2FS
Read security partition from phone...
Decrypting security data... OK
Encrypt security data... OK
Reading security from phone... op_result:[Authentication Key not yet programmed]

imei repair