[UNLOCK][ROOT][TWRP][UNBRICK] Fire HD 8 2018 (karnak) amonet-3

appleguru@ubuntu:~$ sudo systemctl stop ModemManager
appleguru@ubuntu:~$ sudo systemctl disable ModemManager
Removed /etc/systemd/system/dbus-org.freedesktop.ModemManager1.service.
Removed /etc/systemd/system/multi-user.target.wants/ModemManager.service.
appleguru@ubuntu:~$ cd '/home/appleguru/Desktop/amonet-karnak-v3.0.1'
appleguru@ubuntu:~/Desktop/amonet-karnak-v3.0.1$ ls
amonet  META-INF
appleguru@ubuntu:~/Desktop/amonet-karnak-v3.0.1$ cd amonet/
appleguru@ubuntu:~/Desktop/amonet-karnak-v3.0.1/amonet$ sudo ./bootrom-step.sh
[2022-09-11 22:01:34.907797] Waiting for bootrom
[2022-09-11 22:01:54.239782] Found port = /dev/ttyACM0
[2022-09-11 22:01:54.242430] Handshake

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


[2022-09-11 22:02:02.384702] Init crypto engine
[2022-09-11 22:02:02.810546] Disable caches
[2022-09-11 22:02:02.818569] Disable bootrom range checks
[2022-09-11 22:02:03.136374] Load payload from ../brom-payload/build/payload.bin = 0x4888
 bytes
[2022-09-11 22:02:03.138912] Send payload
[2022-09-11 22:02:16.799644] Let's rock
[2022-09-11 22:02:16.816306] Wait for the payload to come online...
[2022-09-11 22:02:17.534090] all good
[2022-09-11 22:02:17.537674] Check GPT
[2022-09-11 22:02:17.909226] gpt_parsed = {'proinfo': (1024, 6144), 'PMT': (7168, 9216),
'kb': (16384, 2048), 'dkb': (18432, 2048), 'lk': (20480, 2048), 'tee1': (22528, 10240), '
tee2': (32768, 10240), 'metadata': (43008, 80896), 'MISC': (123904, 1024), 'reserved': (1
24928, 16384), 'boot': (141312, 32768), 'recovery': (174080, 40960), 'system': (215040, 6
354944), 'vendor': (6569984, 460800), 'cache': (7030784, 1024000), 'userdata': (8054784,
22480863)}
[2022-09-11 22:02:17.909434] Check boot0
[2022-09-11 22:02:18.161958] Check rpmb
[2022-09-11 22:02:18.377407] Clear preloader header
[8 / 8]
[2022-09-11 22:02:18.850996] Downgrade rpmb
[2022-09-11 22:02:18.856021] Recheck rpmb
[2022-09-11 22:02:19.751660] rpmb downgrade ok
[2022-09-11 22:02:19.755488] Flash preloader
[280 / 280]
[280 / 280]
[2022-09-11 22:02:35.610415] Flash lk-payload
[6 / 6]
[2022-09-11 22:02:36.035489] Flash tz
[6732 / 6732]
[2022-09-11 22:05:45.080371] Flash lk
[685 / 685]
[2022-09-11 22:06:04.428770] Inject microloader
[2 / 2]
[2 / 2]
[2022-09-11 22:06:04.924653] Force fastboot
[2022-09-11 22:06:05.264611] Flash preloader header
[4 / 4]
[4 / 4]
[2022-09-11 22:06:05.750306] Reboot
appleguru@ubuntu:~/Desktop/amonet-karnak-v3.0.1/amonet$ sudo ./fastboot-step.sh
< waiting for any device >
target reported max download size of 114294784 bytes
sending 'recovery' (13604 KB)...
OKAY [  0.536s]
writing 'recovery'...
FAILED (remote: flash write failure)
finished. total time: 0.542s