[Lenovo Vibe Z2 Pro Guides, News, & Discussion] prashantchaubey82:
Unable to unlock bootloader

Hi,

i tried your method but it is not working for me. I have downloaded all the files on my windows 10. but getting the below error, please help me

rocess Index:0

Programmer Path:C:\UnlockBootloader_LP_ROW\prog_emmc_firehose_8974.mbn

Image Search Path:C:\UnlockBootloader_LP_ROW

Please select the XML file

Start Download

Program Path:C:\UnlockBootloader_LP_ROW\prog_emmc_firehose_8974.mbn

COM Port number:3

Sahara Connecting ...

Sahara Version:2

Start Sending Programmer

Sending Programmer Finished

Switch To FireHose

Max Payload Size to Target:49152 Bytes

Device Type:eMMC

Platform:8x26

Disable Ack Raw Data Every N Packets

Ack Raw Data:False

Skip Write:False

Always Validate:False

Use Verbose:False

COM Port number:3

Sending NOP

FireHose NOP sent successfully

Sending Configuration

Device Type:eMMC

Platform:8x26

Request payload size 0xc000 is not the same as support payload size, change to 0x20000

Set TxBuffer 0x20000, RxBuffer 0x4000

Firehose configure packet sent successfully!

Total Bytes To Program 0xB1EA0

Download Image

PROGRAM: Partition 0, Sector: 0, Length: 33 Sectors, Sector Size: 512 Bytes

File: C:\UnlockBootloader_LP_ROW\gpt_backup0.bin

PROGRAM: Written Bytes 0x4200 (64)

Program Size: 0.02 MB

PROGRAM: Partition 0, Sector: 0, Length: 34 Sectors, Sector Size: 512 Bytes

File: C:\UnlockBootloader_LP_ROW\gpt_main0.bin

PROGRAM: Written Bytes 0x4400 (64)

Program Size: 0.02 MB

PROGRAM: Replace the partition sectors number 0x1000 to file size in sector 0x54c

PROGRAM: Partition 0, Sector: 264232, Length: 1356 Sectors, Sector Size: 512 Bytes

File: C:\UnlockBootloader_LP_ROW\emmc_appsboot.mbn

PROGRAM: Written Bytes 0xa9800 (64)

Program Size: 0.66 MB

Total Size: 0.69 MB

Total Size: 0 Seconds

PATCH: Partition 0, Sector: 7, Offset 296 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 0, Offset 296 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 1, Offset 48 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 0, Offset 48 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 1, Offset 32 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-1.

PATCH: Partition 0, Sector: 0, Offset 24 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-1.

PATCH: Partition 0, Sector: 0, Offset 72 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-33.

PATCH: Partition 0, Sector: 1, Offset 88 Bytes, Size: 4 Bytes, Value: CRC32(2,3072)

PATCH: Partition 0, Sector: 0, Offset 88 Bytes, Size: 4 Bytes, Value: CRC32(NUM_DISK_SECTORS-33.,3072)

PATCH: Partition 0, Sector: 1, Offset 16 Bytes, Size: 4 Bytes, Value: 0

PATCH: Partition 0, Sector: 1, Offset 16 Bytes, Size: 4 Bytes, Value: CRC32(1,92)

PATCH: Partition 0, Sector: 0, Offset 16 Bytes, Size: 4 Bytes, Value: 0

PATCH: Partition 0, Sector: 0, Offset 16 Bytes, Size: 4 Bytes, Value: CRC32(NUM_DISK_SECTORS-1.,92)

Total download file size: 0.6948242MB

Throughput: 0M/s

Reset Phone

Waiting for reset done...

Download Fail:FireHose Fail Fail to find QDLoader port after switch

Finish Download

Start Download

Program Path:C:\UnlockBootloader_LP_ROW\prog_emmc_firehose_8974.mbn

COM Port number:3

Sahara Connecting ...

Sahara Version:2

Start Sending Programmer

Sending Programmer Finished

Switch To FireHose

Max Payload Size to Target:49152 Bytes

Device Type:eMMC

Platform:8x26

Disable Ack Raw Data Every N Packets

Ack Raw Data:False

Skip Write:False

Always Validate:False

Use Verbose:False

COM Port number:3

Sending NOP

FireHose NOP sent successfully

Sending Configuration

Device Type:eMMC

Platform:8x26

Request payload size 0xc000 is not the same as support payload size, change to 0x20000

Set TxBuffer 0x20000, RxBuffer 0x4000

Firehose configure packet sent successfully!

Total Bytes To Program 0xB1EA0

Download Image

PROGRAM: Partition 0, Sector: 0, Length: 33 Sectors, Sector Size: 512 Bytes

File: C:\UnlockBootloader_LP_ROW\gpt_backup0.bin

PROGRAM: Written Bytes 0x4200 (64)

Program Size: 0.02 MB

PROGRAM: Partition 0, Sector: 0, Length: 34 Sectors, Sector Size: 512 Bytes

File: C:\UnlockBootloader_LP_ROW\gpt_main0.bin

PROGRAM: Written Bytes 0x4400 (64)

Program Size: 0.02 MB

PROGRAM: Replace the partition sectors number 0x1000 to file size in sector 0x54c

PROGRAM: Partition 0, Sector: 264232, Length: 1356 Sectors, Sector Size: 512 Bytes

File: C:\UnlockBootloader_LP_ROW\emmc_appsboot.mbn

PROGRAM: Written Bytes 0xa9800 (64)

Program Size: 0.66 MB

Total Size: 0.69 MB

Total Size: 0 Seconds

PATCH: Partition 0, Sector: 7, Offset 296 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 0, Offset 296 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 1, Offset 48 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 0, Offset 48 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-34.

PATCH: Partition 0, Sector: 1, Offset 32 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-1.

PATCH: Partition 0, Sector: 0, Offset 24 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-1.

PATCH: Partition 0, Sector: 0, Offset 72 Bytes, Size: 8 Bytes, Value: NUM_DISK_SECTORS-33.

PATCH: Partition 0, Sector: 1, Offset 88 Bytes, Size: 4 Bytes, Value: CRC32(2,3072)

PATCH: Partition 0, Sector: 0, Offset 88 Bytes, Size: 4 Bytes, Value: CRC32(NUM_DISK_SECTORS-33.,3072)

PATCH: Partition 0, Sector: 1, Offset 16 Bytes, Size: 4 Bytes, Value: 0

PATCH: Partition 0, Sector: 1, Offset 16 Bytes, Size: 4 Bytes, Value: CRC32(1,92)

PATCH: Partition 0, Sector: 0, Offset 16 Bytes, Size: 4 Bytes, Value: 0

PATCH: Partition 0, Sector: 0, Offset 16 Bytes, Size: 4 Bytes, Value: CRC32(NUM_DISK_SECTORS-1.,92)

Total download file size: 0.6948242MB

Throughput: 0M/s

Reset Phone

Waiting for reset done...

Download Fail:FireHose Fail Fail to find QDLoader port after switch

Finish Download