Here is the output from cmd line:
C:\workspace\vim3-u-aosp-v240613
λ python boot-g12.py %BOOTLOADER_NAME%
Firmware Version :
ROM: 3.2 Stage: 0.0
Need Password: 0 Password OK: 1
Writing u-boot_kvim3_ab.bin at 0xfffa0000…
[DONE]
Running at 0xfffa0000…
[DONE]
AMLC dataSize=16384, offset=65536, seq=0…
[DONE]
AMLC dataSize=49152, offset=393216, seq=1…
[DONE]
AMLC dataSize=16384, offset=229376, seq=2…
[DONE]
AMLC dataSize=49152, offset=245760, seq=3…
[DONE]
AMLC dataSize=49152, offset=294912, seq=4…
[DONE]
AMLC dataSize=16384, offset=65536, seq=5…
[DONE]
AMLC dataSize=1198960, offset=81920, seq=6…
[DONE]
[BL2 END]
C:\workspace\vim3-u-aosp-v240613
λ fastboot devices
C86314724EE0 fastboot
C:\workspace\vim3-u-aosp-v240613
λ fastboot oem format
OKAY [ 0.293s]
Finished. Total time: 0.293s
C:\workspace\vim3-u-aosp-v240613
λ fastboot flash bootloader %BOOTLOADER_NAME%
Sending ‘bootloader’ (1250 KB) OKAY [ 0.047s]
Writing ‘bootloader’ OKAY [ 0.080s]
Finished. Total time: 0.190s
C:\workspace\vim3-u-aosp-v240613
λ fastboot erase bootenv && fastboot oem format && fastboot reboot bootloader
Erasing ‘bootenv’ OKAY [ 0.016s]
Finished. Total time: 0.077s
OKAY [ 0.013s]
Finished. Total time: 0.013s
Rebooting into bootloader OKAY [ 0.000s]
Finished. Total time: 0.016s
C:\workspace\vim3-u-aosp-v240613
λ fastboot devices
C86314724EE0 fastboot
C:\workspace\vim3-u-aosp-v240613
λ fastboot flash boot_a boot.img && fastboot flash boot_b boot.img && fastboot flash super super.img && fastboot flash userdata userdata.img && fastboot flash dtbo_a dtbo-unsigned.img && fastboot flash dtbo_b dtbo-unsigned.img && fastboot erase misc && fastboot erase frp && fastboot format metadata && fastboot flash vbmeta_a vbmeta.img && fastboot flash vbmeta_b vbmeta.img && fastboot reboot
Sending ‘boot_a’ (65536 KB) OKAY [ 2.901s]
Writing ‘boot_a’ OKAY [ 2.619s]
Finished. Total time: 5.553s
Sending ‘boot_b’ (65536 KB) OKAY [ 2.897s]
Writing ‘boot_b’ OKAY [ 2.195s]
Finished. Total time: 5.157s
Sending sparse ‘super’ 1/3 (765864 KB) OKAY [ 35.617s]
Writing ‘super’ OKAY [ 25.115s]
Sending sparse ‘super’ 2/3 (755552 KB) OKAY [ 35.401s]
Writing ‘super’ OKAY [ 28.158s]
Sending sparse ‘super’ 3/3 (28980 KB) OKAY [ 1.368s]
Writing ‘super’ OKAY [ 1.047s]
Finished. Total time: 127.212s
Sending ‘userdata’ (2260 KB) OKAY [ 0.094s]
Writing ‘userdata’ OKAY [ 0.623s]
Finished. Total time: 0.795s
Sending ‘dtbo_a’ (4 KB) OKAY [ 0.016s]
Writing ‘dtbo_a’ OKAY [ 0.016s]
Finished. Total time: 0.046s
Sending ‘dtbo_b’ (4 KB) OKAY [ 0.000s]
Writing ‘dtbo_b’ OKAY [ 0.016s]
Finished. Total time: 0.047s
Erasing ‘misc’ OKAY [ 0.009s]
Finished. Total time: 0.034s
Erasing ‘frp’ OKAY [ 0.000s]
Finished. Total time: 0.018s
mke2fs 1.46.2 (28-Feb-2021)
Creating filesystem with 4096 4k blocks and 4096 inodes
Allocating group tables: done
Writing inode tables: done
Creating journal (1024 blocks): done
Writing superblocks and filesystem accounting information: done
Sending ‘metadata’ (44 KB) OKAY [ 0.019s]
Writing ‘metadata’ OKAY [ 0.017s]
Finished. Total time: 0.381s
Sending ‘vbmeta_a’ (4 KB) OKAY [ 0.000s]
Writing ‘vbmeta_a’ OKAY [ 0.000s]
Finished. Total time: 0.053s
Sending ‘vbmeta_b’ (4 KB) OKAY [ 0.000s]
Writing ‘vbmeta_b’ OKAY [ 0.000s]
Finished. Total time: 0.063s
Rebooting OKAY [ 0.001s]
Finished. Total time: 0.006s