Nope. Still goes to fastboot loop

-----------------------------------------------
[email protected]:/home/xxxx/platform-tools_r31.0.0# fastboot update lineage-18.1-20210224_183303-UNOFFICIAL-kebab.zip
extracting android-info.txt (0 MB)...
extracting boot.img (96 MB)...
target reported max download size of 268435456 bytes
archive does not contain 'boot.sig'
archive does not contain 'boot_other.img'
extracting dtbo.img (24 MB)...
archive does not contain 'dtbo.sig'
archive does not contain 'dt.img'
extracting recovery.img (96 MB)...
archive does not contain 'recovery.sig'
extracting system.img (964 MB)...
archive does not contain 'system.sig'
archive does not contain 'system_other.img'
extracting vbmeta.img (0 MB)...
archive does not contain 'vbmeta.sig'
extracting vendor.img (969 MB)...
archive does not contain 'vendor.sig'
archive does not contain 'vendor_other.img'
--------------------------------------------
Bootloader Version...: unknown
Baseband Version.....:
Serial Number........: xxxx
--------------------------------------------
sending 'boot_b' (98304 KB)...
OKAY [ 2.433s]
writing 'boot_b'...
OKAY [ 0.368s]
sending 'dtbo_b' (24576 KB)...
OKAY [ 0.606s]
writing 'dtbo_b'...
OKAY [ 0.093s]
sending 'recovery_b' (98304 KB)...
OKAY [ 2.440s]
writing 'recovery_b'...
OKAY [ 0.280s]
sending sparse 'system_b' 1/4 (259064 KB)...
OKAY [ 6.442s]
writing 'system_b' 1/4...
OKAY [ 0.526s]
sending sparse 'system_b' 2/4 (258272 KB)...
OKAY [ 6.428s]
writing 'system_b' 2/4...
OKAY [ 0.432s]
sending sparse 'system_b' 3/4 (258272 KB)...
OKAY [ 6.477s]
writing 'system_b' 3/4...
OKAY [ 0.423s]
sending sparse 'system_b' 4/4 (211956 KB)...
OKAY [ 5.254s]
writing 'system_b' 4/4...
OKAY [ 0.362s]
sending 'vbmeta_b' (8 KB)...
OKAY [ 0.001s]
writing 'vbmeta_b'...
OKAY [ 0.004s]
sending sparse 'vendor_b' 1/4 (262140 KB)...
OKAY [ 6.466s]
writing 'vendor_b' 1/4...
OKAY [ 0.545s]
sending sparse 'vendor_b' 2/4 (262140 KB)...
OKAY [ 6.496s]
writing 'vendor_b' 2/4...
OKAY [ 0.432s]
sending sparse 'vendor_b' 3/4 (262140 KB)...
OKAY [ 6.502s]
writing 'vendor_b' 3/4...
OKAY [ 0.422s]
sending sparse 'vendor_b' 4/4 (206420 KB)...
OKAY [ 5.160s]
writing 'vendor_b' 4/4...
OKAY [ 0.352s]
Setting current slot to 'b'...
OKAY [ 0.030s]
rebooting...
finished. total time: 59.026s
[email protected]:/home/xxxx/platform-tools_r31.0.0#