Glad that issue now sorted for you and for the record âsudoâ is not needed by the way:
iMac:~ adrian$ cd //Users/adrian/Desktop/MobilePhones/FP3\ eOS/IMG-e-0.13-q-2020120789006-dev-FP3
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ adb reboot bootloader
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot -w
Erasing âuserdataâ OKAY [ 0.861s]
mke2fs 1.45.4 (23-Sep-2019)
Creating filesystem with 12777209 4k blocks and 3194880 inodes
Filesystem UUID: 0580f62a-2c9f-4e4f-abf0-e59f05e7b23d
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424
Allocating group tables: done
Writing inode tables: done
Creating journal (65536 blocks): done
Writing superblocks and filesystem accounting information: done
Sending âuserdataâ (4661 KB) OKAY [ 0.130s]
Writing âuserdataâ OKAY [ 0.058s]
Finished. Total time: 1.316s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash system_a system.img -S 522239K
Sending sparse âsystem_aâ 1/4 (515836 KB) OKAY [ 13.303s]
Writing âsystem_aâ OKAY [ 2.376s]
Sending sparse âsystem_aâ 2/4 (514704 KB) OKAY [ 13.416s]
Writing âsystem_aâ OKAY [ 2.363s]
Sending sparse âsystem_aâ 3/4 (515456 KB) OKAY [ 13.749s]
Writing âsystem_aâ OKAY [ 2.352s]
Sending sparse âsystem_aâ 4/4 (457728 KB) OKAY [ 11.844s]
Writing âsystem_aâ OKAY [ 2.104s]
Finished. Total time: 61.615s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash boot_a boot.img
Sending âboot_aâ (65536 KB) OKAY [ 1.757s]
Writing âboot_aâ OKAY [ 0.319s]
Finished. Total time: 2.124s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash vendor_a vendor.img -S 522239K
Sending âvendor_aâ (430500 KB) OKAY [ 11.355s]
Writing âvendor_aâ OKAY [ 1.961s]
Finished. Total time: 13.409s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash dtbo_a dtbo.img
Sending âdtbo_aâ (8192 KB) OKAY [ 0.231s]
Writing âdtbo_aâ OKAY [ 0.068s]
Finished. Total time: 0.340s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash vbmeta_a vbmeta.img
Sending âvbmeta_aâ (4 KB) OKAY [ 0.040s]
Writing âvbmeta_aâ OKAY [ 0.021s]
Finished. Total time: 0.108s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash system_b system.img -S 522239K
Sending sparse âsystem_bâ 1/4 (515836 KB) OKAY [ 11.163s]
Writing âsystem_bâ OKAY [ 2.363s]
Sending sparse âsystem_bâ 2/4 (514704 KB) OKAY [ 11.138s]
Writing âsystem_bâ OKAY [ 2.358s]
Sending sparse âsystem_bâ 3/4 (515456 KB) OKAY [ 11.373s]
Writing âsystem_bâ OKAY [ 2.356s]
Sending sparse âsystem_bâ 4/4 (457728 KB) OKAY [ 9.950s]
Writing âsystem_bâ OKAY [ 2.106s]
Finished. Total time: 52.838s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash boot_b boot.img
Sending âboot_bâ (65536 KB) OKAY [ 1.457s]
Writing âboot_bâ OKAY [ 0.320s]
Finished. Total time: 1.824s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash vendor_b vendor.img -S 522239K
Sending âvendor_bâ (430500 KB) OKAY [ 9.375s]
Writing âvendor_bâ OKAY [ 1.978s]
Finished. Total time: 11.374s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash dtbo_b dtbo.img
Sending âdtbo_bâ (8192 KB) OKAY [ 0.211s]
Writing âdtbo_bâ OKAY [ 0.061s]
Finished. Total time: 0.317s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot flash vbmeta_b vbmeta.img
Sending âvbmeta_bâ (4 KB) OKAY [ 0.040s]
Writing âvbmeta_bâ OKAY [ 0.021s]
Finished. Total time: 0.108s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$ fastboot oem lock
OKAY [ 0.076s]
Finished. Total time: 0.076s
iMac:IMG-e-0.13-q-2020120789006-dev-FP3 adrian$