[Android Q&A, Help & Troubleshooting] abouazzaoui:
Hello,

i tried unlocking bootloader of my phone S23 Ultra Clone using mtkclient on windows and on Linux Live CD, but i always get this error:

DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock.

please find below the logs:

user@livedvd:/opt/mtkclient$ python mtk da seccfg unlock

MTK Flash/Exploit Client V1.57 (c) B.Kerler 2018-2022

Preloader - Status: Waiting for PreLoader VCOM, please connect mobile

Port - Hint:

Power off the phone before connecting.

For brom mode, press and hold vol up, vol dwn, or all hw buttons and connect usb.

For preloader mode, don't press any hw button and connect usb.

........Port - Device detected :)

Preloader - CPU: MT6735/T()

Preloader - HW version: 0x0

Preloader - WDT: 0x10212000

Preloader - Uart: 0x11002000

Preloader - Brom payload addr: 0x100a00

Preloader - DA payload addr: 0x201000

Preloader - CQ_DMA addr: 0x10217c00

Preloader - Var1: 0x28

Preloader - Disabling Watchdog...

Preloader - HW code: 0x321

Preloader - Target config: 0x0

Preloader - SBC enabled: False

Preloader - SLA enabled: False

Preloader - DAA enabled: False

Preloader - SWJTAG enabled: False

Preloader - EPP_PARAM at 0x600 after EMMC_BOOT/SDMMC_BOOT: False

Preloader - Root cert required: False

Preloader - Mem read auth: False

Preloader - Mem write auth: False

Preloader - Cmd 0xC8 blocked: False

Preloader - Get Target info

Preloader - BROM mode detected.

Preloader - HW subcode: 0x8a00

Preloader - HW Ver: 0xcc00

Preloader - SW Ver: 0x0

Preloader - ME_ID: C049A79E5A37BC51E04B36C0C70B9553

DA_handler - Device is unprotected.

DA_handler - Device is in BROM-Mode. Bypassing security.

PLTools - Loading payload from mt6735_payload.bin, 0x258 bytes

PLTools - Kamakiri / DA Run

Kamakiri - Trying kamakiri2..

Kamakiri - Done sending payload...

PLTools - Successfully sent payload: /opt/mtkclient/mtkclient/payloads/mt6735_payload.bin

Port - Device detected :)

DA_handler

DA_handler - [LIB]: Device is in BROM mode. No preloader given, trying to dump preloader from ram.

DALegacy - Uploading legacy da...

DALegacy - Uploading legacy stage 1 from MTK_AllInOne_DA_5.2152.bin

legacyext - Legacy DA2 is patched.

Preloader - Jumping to 0x200000

Preloader - Jumping to 0x200000: ok.

DALegacy - Got loader sync !

DALegacy - Reading nand info

DALegacy - Reading emmc info

DALegacy - ACK: 04029b

DALegacy - Setting stage 2 config ...

DALegacy - DRAM config needed for : 470001154d423650700c0142d58c32aa

DALegacy - Reading dram nand info ...

DALegacy - Sending dram info ...

DALegacy - RAM-Length: 0xbc

DALegacy - Checksum: 72A3

DALegacy - M_EXT_RAM_RET : 0

DALegacy - M_EXT_RAM_TYPE : 0x2

DALegacy - M_EXT_RAM_CHIP_SELECT : 0x0

DALegacy - M_EXT_RAM_SIZE : 0xc0000000

DALegacy - Uploading stage 2...

DALegacy - Successfully uploaded stage 2

DALegacy - Connected to preloader

DALegacy - Reconnecting to preloader

DALegacy - Connected to preloader

DALegacy - m_int_sram_ret = 0x0

m_int_sram_size = 0x20000

m_ext_ram_ret = 0x0

m_ext_ram_type = 0x2

m_ext_ram_chip_select = 0x0

m_int_sram_ret = 0x0

m_ext_ram_size = 0xc0000000

randomid = 0xB34C2CCBC019F939FDDC623629263603

m_emmc_ret = 0x0

m_emmc_boot1_size = 0x400000

m_emmc_boot2_size = 0x400000

m_emmc_rpmb_size = 0x1000000

m_emmc_gp_size[0] = 0x0

m_emmc_gp_size[1] = 0x0

m_emmc_gp_size[2] = 0x0

m_emmc_gp_size[3] = 0x0

m_emmc_ua_size = 0xe8f800000

m_emmc_cid = 5036424d15010047aa3295d542010c70

m_emmc_fwver = 0100000000000000

Done |--------------------------------------------------| 0.0% Read (Sector 0x0 Done |--------------------------------------------------| 0.0% Read (Sector 0x0 Done |--------------------------------------------------| 0.0% Read (Sector 0x0 of 0x400) 0.00 MB/sDA_handler

DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock.

user@livedvd:/opt/mtkclient$ python mtk da seccfg unlock

MTK Flash/Exploit Client V1.57 (c) B.Kerler 2018-2022

Done |--------------------------------------------------| 0.0% Read (Sector 0x0 of 0x400) 0.00 MB/sDA_handler

DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock.

user@livedvd:/opt/mtkclient$