[Fire HD 8 and HD 10 Original Android Development] Pyrosync:
Hi I have bricked Kindle fire hd8 Gen 7 I tried the code sudo ./bootrom-step.sh using the t28 short method and received the bad gpt error listed below in the log could anyone offer any help to get my sons kindle working

[2021-11-30 18:56:10.535619] Waiting for bootrom
[2021-11-30 18:56:24.838317] Found port = /dev/ttyACM0
[2021-11-30 18:56:24.838954] Handshake

* * * If you have a short attached, remove it now * * *
* * * Press Enter to continue * * *

[2021-11-30 18:56:38.869766] Init crypto engine
[2021-11-30 18:56:38.893621] Disable caches
[2021-11-30 18:56:38.894283] Disable bootrom range checks
[2021-11-30 18:56:38.915462] Load payload from ../brom-payload/build/payload.bin = 0x4888 bytes
[2021-11-30 18:56:38.917747] Send payload
[2021-11-30 18:56:39.968254] Let's rock
[2021-11-30 18:56:39.969160] Wait for the payload to come online...
[2021-11-30 18:56:40.899028] all good
[2021-11-30 18:56:40.899562] Check GPT
[2021-11-30 18:56:41.277105]
[2021-11-30 18:56:41.277268] Sector size (logical): 512 bytes
[2021-11-30 18:56:41.277397] Disk identifier (GUID): 88C350DB-9F18-49B6-8E03-A4C14049C4EB
[2021-11-30 18:56:41.277484] Partition table holds up to 128 entries
[2021-11-30 18:56:41.277570] This partition table begins at sector 2 and ends at sector 33
[2021-11-30 18:56:41.277652] First usable sector is 34, last usable sector is 30777310
[2021-11-30 18:56:41.277730] Other partition table is at sector 30777343
[2021-11-30 18:56:41.277805]
[2021-11-30 18:56:41.277923] Number Start (sector) End (sector) Size Name
[2021-11-30 18:56:41.278714] 1 1024 7167 3.00 MiB proinfo
[2021-11-30 18:56:41.279036] 2 7168 16383 4.50 MiB PMT
[2021-11-30 18:56:41.279313] 3 16384 17407 512.00 KiB lk
[2021-11-30 18:56:41.279577] 4 17408 18431 512.00 KiB lk2
[2021-11-30 18:56:41.279865] 5 18432 51199 16.00 MiB boot
[2021-11-30 18:56:41.280141] 6 51200 86015 17.00 MiB recovery
[2021-11-30 18:56:41.280401] 7 86016 96255 5.00 MiB tee1
[2021-11-30 18:56:41.280782] 8 96256 106495 5.00 MiB tee2
[2021-11-30 18:56:41.281045] 9 106496 187391 39.50 MiB metadata
[2021-11-30 18:56:41.281302] 10 187392 189439 1024.00 KiB kb
[2021-11-30 18:56:41.281558] 11 189440 191487 1024.00 KiB dkb
[2021-11-30 18:56:41.281815] 12 191488 192511 512.00 KiB MISC
[2021-11-30 18:56:41.282076] 13 192512 208895 8.00 MiB reserved
[2021-11-30 18:56:41.282331] 14 208896 3515391 1.58 GiB system
[2021-11-30 18:56:41.282595] 15 3515392 4383743 424.00 MiB cache
[2021-11-30 18:56:41.282853] 16 4383744 30777310 12.59 GiB userdata
[2021-11-30 18:56:41.296008]
[2021-11-30 18:56:41.296148] Modify GPT
[2021-11-30 18:56:41.296347] Validate GPT
[2021-11-30 18:56:41.296543]
[2021-11-30 18:56:41.296606] Sector size (logical): 512 bytes
[2021-11-30 18:56:41.296672] Disk identifier (GUID): 88C350DB-9F18-49B6-8E03-A4C14049C4EB
[2021-11-30 18:56:41.296737] Partition table holds up to 128 entries
[2021-11-30 18:56:41.296791] This partition table begins at sector 2 and ends at sector 33
[2021-11-30 18:56:41.296832] First usable sector is 34, last usable sector is 30777310
[2021-11-30 18:56:41.296871] Other partition table is at sector 30777343
[2021-11-30 18:56:41.296909]
[2021-11-30 18:56:41.296971] Number Start (sector) End (sector) Size Name
[2021-11-30 18:56:41.297125] 1 1024 7167 3.00 MiB proinfo
[2021-11-30 18:56:41.297276] 2 7168 16383 4.50 MiB PMT
[2021-11-30 18:56:41.297427] 3 16384 17407 512.00 KiB lk
[2021-11-30 18:56:41.297576] 4 17408 18431 512.00 KiB lk2
[2021-11-30 18:56:41.297726] 5 18432 51199 16.00 MiB boot_x
[2021-11-30 18:56:41.297887] 6 51200 86015 17.00 MiB recovery_x
[2021-11-30 18:56:41.298045] 7 86016 96255 5.00 MiB tee1
[2021-11-30 18:56:41.298193] 8 96256 106495 5.00 MiB tee2
[2021-11-30 18:56:41.298359] 9 106496 187391 39.50 MiB metadata
[2021-11-30 18:56:41.298524] 10 187392 189439 1024.00 KiB kb
[2021-11-30 18:56:41.298688] 11 189440 191487 1024.00 KiB dkb
[2021-11-30 18:56:41.298848] 12 191488 192511 512.00 KiB MISC
[2021-11-30 18:56:41.299016] 13 192512 208895 8.00 MiB reserved
[2021-11-30 18:56:41.299175] 14 208896 3515391 1.58 GiB system
[2021-11-30 18:56:41.299339] 15 3515392 4383743 424.00 MiB cache
[2021-11-30 18:56:41.299499] 16 4383744 30325759 12.37 GiB userdata
[2021-11-30 18:56:41.299655] 17 30325760 30551039 110.00 MiB boot
[2021-11-30 18:56:41.299819] 18 30551040 30776319 110.00 MiB recovery
[2021-11-30 18:56:41.309935]
[2021-11-30 18:56:41.310054] Flash new primary GPT
[34 / 34]
[2021-11-30 18:56:42.040777] Flash new backup GPT
[33 / 33]
[2021-11-30 18:56:42.887334]
[2021-11-30 18:56:42.887511] Sector size (logical): 512 bytes
[2021-11-30 18:56:42.887668] Disk identifier (GUID): 88C350DB-9F18-49B6-8E03-A4C14049C4EB
[2021-11-30 18:56:42.887780] Partition table holds up to 128 entries
[2021-11-30 18:56:42.887898] This partition table begins at sector 2 and ends at sector 33
[2021-11-30 18:56:42.888021] First usable sector is 34, last usable sector is 30777310
[2021-11-30 18:56:42.888111] Other partition table is at sector 30777343
[2021-11-30 18:56:42.888191]
[2021-11-30 18:56:42.888305] Number Start (sector) End (sector) Size Name
[2021-11-30 18:56:42.888651] 1 1024 7167 3.00 MiB proinfo
[2021-11-30 18:56:42.888987] 2 7168 16383 4.50 MiB PMT
[2021-11-30 18:56:42.889339] 3 16384 17407 512.00 KiB lk
[2021-11-30 18:56:42.889648] 4 17408 18431 512.00 KiB lk2
[2021-11-30 18:56:42.889983] 5 18432 51199 16.00 MiB boot
[2021-11-30 18:56:42.890323] 6 51200 86015 17.00 MiB recovery
[2021-11-30 18:56:42.890671] 7 86016 96255 5.00 MiB tee1
[2021-11-30 18:56:42.891022] 8 96256 106495 5.00 MiB tee2
[2021-11-30 18:56:42.891343] 9 106496 187391 39.50 MiB metadata
[2021-11-30 18:56:42.891708] 10 187392 189439 1024.00 KiB kb
[2021-11-30 18:56:42.892110] 11 189440 191487 1024.00 KiB dkb
[2021-11-30 18:56:42.892568] 12 191488 192511 512.00 KiB MISC
[2021-11-30 18:56:42.893038] 13 192512 208895 8.00 MiB reserved
[2021-11-30 18:56:42.893462] 14 208896 3515391 1.58 GiB system
[2021-11-30 18:56:42.893812] 15 3515392 4383743 424.00 MiB cache
[2021-11-30 18:56:42.894401] 16 4383744 30777310 12.59 GiB userdata
[2021-11-30 18:56:42.910791]
Traceback (most recent call last):
File "main.py", line 256, in <module>
main()
File "main.py", line 177, in main
raise RuntimeError("bad gpt")
RuntimeError: bad gpt