Z3X CPH2015 UNLOCK BOOTLOADER FAIL

[banana477]

Selected model: OPPO CPH2015 (Oppo A31)
Operation: Unlock bootloader
Software version: 1.14

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... 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
Device found at COM65 [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 = 0x25C512BE, 0x8EAEF0AC, 0x3F3C454C, 0xC6D09365
Get Chip ID... [MT6765]
Get SOC ID... [84941E79618933994654B8FC13557AAD6D4E5623BAB2EC8F074C173F511F1A8A]
Get sec config... OK [000000E0]
Load DownloadAgent... OK
Search DA... OK [23]
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: 0x150100445636444D4202942807CB4715
Load EMI config from database [DB VER: 124 DB DATE: 06-13-2021] OK [1]
Trying EMI [B772E8DA, F83EEC01, 703B5CDE, 4ECF8C5A, 7805E65B, D8F5BD39, 4C76F2A3, C41C94FB, 72ECA8F6, F1ADA01B, AD4E4796, 88F176AB]
Init EXT RAM... OK
Send 2nd DA... OK
Get device info... OK
EMMC INFO:
EMMC_ID : 0x150100445636444D4202942807CB4715
EMMC_BOOT1: 0x0000400000 (4.00Mb)
EMMC_BOOT2: 0x0000400000 (4.00Mb)
EMMC_RPMB : 0x0001000000 (16.00Mb)
EMMC_USER : 0x1D1EC00000 (116.48Gb)
RAM INFO:
INT_SRAM: 0x000003A000 (232.00Kb)
EXT_RAM : 0x0100000000 (4.00Gb)
Check USB status... USB_HIGH_SPEED
Read partitions info from phone... OK
Read security partition from phone... OK
Decrypt security data... error
Error! Wrong key, unable to unlock bootloader!