[Windows Phone 8 Development and Hacking] tan90.:
Hello,how can I unlock the bootloader of my lumia 638?When I click on "unlock",the application show "Booting phone" but don't make any difference on my phone.

Here is some log.

2019-12-24 17:16:24.248: Phone type: RM-1010

2019-12-24 17:16:24.248: Product code: 059W0P1

2019-12-24 17:16:24.248: Root key hash: 0E70B35B83FD6BF98F66E064609A25520F0BA9BF8F7C492663C4BBCB050AE256

2019-12-24 17:16:24.248: Firmware version: 02040.00019.15235.28000

2019-12-24 17:16:24.248: IMEI:

2019-12-24 17:16:24.248: Flash app: 2.57

2019-12-24 17:16:24.248: Flash protocol: 2.34

2019-12-24 17:16:24.248: SecureBoot: Enabled

2019-12-24 17:16:24.248: Flash app security: Enabled (FFU security: Enabled, RDC: Not found, Authenticated: False)

2019-12-24 17:16:24.248: JTAG: Disabled

2019-12-24 17:16:24.248: Bootloader: Lumia Bootloader Spec B

2019-12-24 17:16:24.248: ProductCode: 059W0P1

2019-12-24 17:16:24.248: ProductType: RM-1010

2019-12-24 17:16:27.301: FFU not added, because it was already present in the repository.

2019-12-24 17:16:27.301: Emergency files not added, because they were already present in the repository.

2019-12-24 17:16:27.339: FFU not added, because it was already present in the repository.

2019-12-24 17:16:27.339: Unlock Bootloader

2019-12-24 17:16:27.339: Processing resources:

2019-12-24 17:16:27.339: Profile FFU: D:\Downloads\hbu\RM-1010\RM1010_02040.00019.15235.28004_RETAIL_prod_signed_1003_026CEB_CMC-CN.ffu

2019-12-24 17:16:27.339: EDE file: D:\Downloads\hbu\RM-1010\MPRG8x26_fh.ede

2019-12-24 17:16:27.339: Donor-FFU with supported OS version: D:\Downloads\hbu\RM-1085\RM1085_1078.0053.10586.13169.12547.035242_retail_prod_signed.ffu

2019-12-24 17:16:27.732: Assembling data for unlock

2019-12-24 17:16:27.732: Assembling data for unlock

2019-12-24 17:16:27.755: Attempt patch: SecureBootHack-V2-EFIESP

2019-12-24 17:16:27.758: Pattern: 0, 0

2019-12-24 17:16:27.758: Pattern: 1, 0

2019-12-24 17:16:27.758: Pattern: 2, 0

2019-12-24 17:16:27.758: Pattern: 3, 0

2019-12-24 17:16:27.758: Pattern: 4, 0

2019-12-24 17:16:27.758: Pattern: 5, 0

2019-12-24 17:16:27.758: Pattern: 6, 0

2019-12-24 17:16:27.758: Pattern: 7, 0

2019-12-24 17:16:27.758: Pattern: 8, 0

2019-12-24 17:16:27.758: Pattern: 9, 0

2019-12-24 17:16:27.758: Pattern: 10, 0

2019-12-24 17:16:27.758: Pattern: 11, 0

2019-12-24 17:16:27.759: Pattern: 12, 0

2019-12-24 17:16:27.759: Pattern: 13, 0

2019-12-24 17:16:27.759: Pattern: 14, 0

2019-12-24 17:16:27.759: Pattern: 15, 0

2019-12-24 17:16:27.759: Pattern: 16, 0

2019-12-24 17:16:27.759: Pattern: 17, 0

2019-12-24 17:16:27.759: Pattern: 18, 0

2019-12-24 17:16:27.759: Pattern: 19, 0

2019-12-24 17:16:27.759: Donor-FFU: D:\Downloads\hbu\RM-1085\RM1085_1078.0053.10586.13169.12547.035242_retail_prod_signed.ffu

2019-12-24 17:16:27.770: Taking mobilestartup.efi from donor-FFU

2019-12-24 17:16:27.773: Attempt patch: SecureBootHack-V2-EFIESP

2019-12-24 17:16:27.776: Pattern: 0, 0

2019-12-24 17:16:27.776: Pattern: 1, 0

2019-12-24 17:16:27.776: Pattern: 2, 0

2019-12-24 17:16:27.776: Pattern: 3, 0

2019-12-24 17:16:27.776: Pattern: 4, 0

2019-12-24 17:16:27.776: Apply: 10.0.10586.318

2019-12-24 17:16:27.778: Edit BCD

2019-12-24 17:16:27.924: Error: Sequence contains no elements

2019-12-24 17:16:27.924: Sequence contains no elements

2019-12-24 17:16:27.924: Booting phone...

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And here is the output when I operate it in command line.

D:\Desktop>WPinternals.exe -unlockbootloader D:\Downloads\hbu\RM-1085\RM1085_107

8.0053.10586.13169.12547.035242_retail_prod_signed.ffu

Windows Phone Internals version 2.8.7288.39025

Copyright Heathcliff74 / wpinternals.net

Command: Unlock Bootloader

Connected device: Lumia

Mode: Flash

Phone type: RM-1010

Product code: 059W0P1

Root key hash: 0E70B35B83FD6BF98F66E064609A25520F0BA9BF8F7C492663C4BBCB050AE256

Firmware version: 02040.00019.15235.28000

Flash app: 2.57

Flash protocol: 2.34

SecureBoot: Enabled

Flash app security: Enabled

JTAG: Disabled

Assembling data for unlock

Error: Sequence contains no elements

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Is this a bug?