Teracube - 2e - Documentation Suggestions

Following the directions HERE. Enabed USB debugging, unlocked the bootloader no problem. Then proceed to download the build, unzip the file and open my terminal in this folder, then boot into fastboot and begin with the commands:

1. fastboot -w
2. fastboot flash boot boot.img
3. fastboot flash recovery recovery.img
4. fastboot flash vbmeta vbmeta.img
5. fastboot flash vbmeta_system vbmeta_system.img
6. fastboot flash vbmeta_vendor vbmeta_vendor.img
7. fastboot reboot fastboot
8. fastboot flash system system.img
9. fastboot flash product product.img
10. fastboot flash vendor vendor.img
11. fastboot reboot

Step 1 returns: ~/Documents/ROMs/eFoundation /Teracube 2e/IMG-e-0.16-q-20210526116675-dev-2e$ fastboot -w
wiping userdata…
Invalid logical-block-size 512: must be a power of 2 and at least 4096.
mke2fs 1.45.5 (07-Jan-2020)
/tmp/TemporaryFile-xe7Bmm: Unimplemented ext2 library function while setting up superblock
/usr/lib/android-sdk/platform-tools/mke2fs failed with status 1
mke2fs failed: 1
error: Cannot generate image for userdata

Steps 2-6 flash properly from what I can see in the terminal and on phone log.

Step 7 returns: ~/Documents/ROMs/eFoundation /Teracube 2e/IMG-e-0.16-q-20210526116675-dev-2e$ fastboot reboot fastboot
fastboot: usage: unknown reboot target fastboot (so from here I manually reboot the phone back into fastboot mode by powering it down with the button > holding the volume up and the power button till the “Recovery” menu, “Fastboot” menu, and “Normal” boot menu appears. I then choose “Fastboot” and proceed to step 8.)

Step 8: ~/Documents/ROMs/eFoundation /Teracube 2e/IMG-e-0.16-q-20210526116675-dev-2e$ fastboot flash system system.img
target reported max download size of 134217728 bytes
sending sparse ‘system’ 1/14 (131068 KB)…
OKAY [ 4.068s]
writing ‘system’ 1/14…
FAILED (remote: This partition doesn’t exist)
finished. total time: 4.076s

Wondering if these errors have anything to do with needing to disable AVB (Android verified boot) as discussed HERE ?

Also note that /e/ recovery does flash to a partition and I can boot into it after the steps above. (something need to be done with the partitions here?)

Any help would be appreciated. I am hoping to contribute to the /e/ community for this phone. @Phie @Manoj @aibd

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