Before Unlocking The Vivo Y81i Userlock, Make Sure The Following Steps Are Performed:

Install MTK Driver Lasted

LINK – DOWNLOAD

Install libusb-win32-devel-filter Driver Lasted

LINK – DOWNLOAD

  • Power Off Phone
  • Click Write Reset Password [SAFE WIPE]
  • Vol + Vol – / Connect Usb Cable
  • Selected model: Vivo PD1732 (Y81I)
    Operation: Reset password
    Software version: 2.5

    This procedure will erase all downloaded apps and their data.
    Photos, music, and other non-app will be retained. Continue? YES
    Host Power Off… 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… 0717
    Get HW & SW version from device… OK
    HW VER: CA01, SW VER: 0200, HW SUB CODE: 8A00
    Detect chip [MT6761]
    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_V1633,usb2ser.sys,3.0.1504.0]
    Device found at COM34 [BROM]
    Open port… OK
    Send start cmd… OK
    Get HW code from device… 0717
    Get HW & SW version from device… OK
    HW VER: CA01, SW VER: 0200, HW SUB CODE: 8A00
    Detect chip [MT6761]
    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 = 0x149A1795, 0x5B04C792, 0xA1436E0E, 0x1338BEDB
    Get Chip ID… [MT6761]
    Get SOC ID… [D213B2AE5BAFF32A16068B15B1D6E1C1175267F9EF0E799D1BAA0D3BBF8FE17A]
    Get sec config… OK [000000E0]
    Load DownloadAgent… OK
    Search DA… OK [24]
    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: 0x90014A484147346132A530D950B7A5B5
    Load EMI from phone… OK
    Parse EMI config… OK
    Init EXT RAM… OK
    Send 2nd DA… OK
    Get device info… OK
    EMMC INFO:
    EMMC_ID : 0x90014A484147346132A530D950B7A5B5
    EMMC_BOOT1: 0x0000400000 (4.00Mb)
    EMMC_BOOT2: 0x0000400000 (4.00Mb)
    EMMC_RPMB : 0x0000400000 (4.00Mb)
    EMMC_USER : 0x03AB400000 (14.68Gb)
    RAM INFO:
    INT_SRAM: 0x0000039000 (228.00Kb)
    EXT_RAM : 0x0080000000 (2.00Gb)
    Check USB status… USB_HIGH_SPEED
    Read partitions info from phone… OK
    Read info from phone… OK
    Processing data #1… OK
    Reset Password done!

    Download Pandora Box Lasted Version

    LINK – DOWNLOAD

    Download Vivo_Y81i_PD1732CF Firmware

    DOWNLOAD – LINK

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