Before Unlocking The Vivo Y91 Userlock Without Data Lose Remove, Make Sure The Following Steps Are Performed:

Install MTK Driver Lasted

LINK – DOWNLOAD

Install libusb-win32-devel-filter Driver Lasted

LINK – DOWNLOAD

Login Username & Password On CM2-MT2

Select Local Auth On CM2 MT2


Infinity-Box [ Chinese Miracle ] MediaTek Service Module [ MTK ] v2.33

Load IDBase v1121431 Ok!

Update configuration …
Load IDBase v1121431 Ok!

Operation : Reset Settings/Format FS [ v2.33 ]

Mode : SMART RESET DATA SAFE

  1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
  2. Insert USB cable in phone
    Waiting for device connection …

PTFN : MediaTek PreLoader USB VCOM_V1633 (Android) (COM24)
MODE : PRELOADER PORT
PORT : 24
Waiting BOOT ack …
PRELOADER : ACK confirmed!
BROM : Init BROM
BROM init passed!
CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000
CODE : Cervino
TYPE : MODERN [RAPHAEL]
BROM : SecLevel : 0x00000005
BROM : SecMode : SBC+SDA
BROM : BROM|BL : 0xFF|0x03
BROM : PRELOADER PORT
AGENT : 0_base : BASE_v2112 | Manual : Disabled
AGENT : Look for suitable BootChain in DA …
AGENT : MTK_AllInOne_DA.bin
AGENT : Found MT6765
AGENT : MTK_DOWNLOAD_AGENT
BROM : Sending 1st DA …
BROM : Reset Interface!
PTFN : MediaTek USB Port_V1633 (COM23)
MODE : BOOTROM
PORT : 23
Waiting BOOT ack …
BROM : Skip ACK verify
BROM : Init BROM
BROM init passed!
CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000
CODE : Cervino
TYPE : MODERN [RAPHAEL]
BROM : MEID : 8109DB204A37CF8F17B85D2A1B0FCF26
BROM : SecLevel : 0x000000E5
BROM : SecMode : SBC+SDA+EXT
BROM : BROM|BL : 0x05|0xFE
BROM : BOOTROM
BROM : SOCID : EC01B8147FA43B405C7AE7932190AD7FF1D9C231E0427658B61388051C89AC1D
BROM : SLA : Local Auth
BROM : SLA : Starting Auth
BROM : FF : Look for EMI
BROM : FF : EMI found!
BROM : SLA : Auth Passed!
BROM : SEC : 0x000000E0
AGENT : 0_base : BASE_v2112 | Manual : Disabled
AGENT : Look for suitable BootChain in DA …
AGENT : MTK_AllInOne_DA.bin
AGENT : Found MT6765
AGENT : MTK_DOWNLOAD_AGENT
BROM : Sending 1st DA …
BROM : DA sent
BROM :Transfer control to DA …
DA : AGENT started!
DA : SYNC
DA : MODE : BROM
DA : EXT_RAM NOT initialized!

    EMMC: CID : 150100514436334D42018DF8E4FFA6AD
    EMMC: VEN : SAMSUNG : OEM : 0 : ID : 514436334D42 : PRV : 0x01
    EMMC: VEN : SAMSUNG : QD63MB
    EMMC: SNN : 2381899007 ( 0x8DF8E4FF ) , MF : 10/2019

 EMI : DEV : FireFly
 EMI : SRC : preloader_k62v1_64_bsp.bin
 EMI : CNT : 000C
 EMI : Init EMI from INTERNAL DB
 EMI : EXT_RAM CFG Passed!

DA : BOOT to 2nd DA …
DA : 2ND stage confirmed!
DA : SYNC with DA passed!
DA : Receiving HW info

    SRAM: 0x0003A000 [ 232.00 KB ]
    DRAM: 0x80000000 [ 2.00 GB ]

    EMMC: CID : 150100514436334D42018DF8E4FFA6AD
    EMMC: VEN : SAMSUNG : OEM : 0 : ID : 514436334D42 : PRV : 0x01
    EMMC: VEN : SAMSUNG : QD63MB
    EMMC: SNN : 2381899007 ( 0x8DF8E4FF ) , MF : 10/2019

    EMMC: 
          BOOT1  : 0x00400000 [ 4.00 MB ]
          BOOT2  : 0x00400000 [ 4.00 MB ]
          RPMB   : 0x01000000 [ 16.00 MB ]
          USER   : 0x747C00000 [ 29.12 GB ]

    CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000 , EVOL : 0x0000

    RNID : 5B9E2085C2C08B03DAA28059A90F9242

DA : USB : HIGH-SPEED

Boot done!

SmartInfo : 0x805757

SafeFormat Ok : Vivo

Done!
Elapsed: 00:00:40

Reconnect Power/Cable!

Download CM2-MT2 Lasted Version

LINK – DOWNLOAD

Vivo Y91C_PD1818HF V1.10.10_MT6765__vivo__vivo_1820__8.1.0__O11019__k62v1_64_bsp_Backup CM2

LINK – DOWNLOAD

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