$ fastboot update /tmp/work/hikey960-img-2437.zip
< waiting for any device >
--------------------------------------------
Bootloader Version...: 0.7
Baseband Version.....: 0.7
Serial Number........: 616A34F301931D53
--------------------------------------------
extracting android-info.txt (0 MB) to RAM...
Checking 'product' OKAY [ 0.000s]
extracting boot.img (23 MB) to disk... took 0.041s
archive does not contain 'boot.sig'
Sending 'boot' (23590 KB) OKAY [ 1.267s]
Writing 'boot' OKAY [ 0.246s]
archive does not contain 'init_boot.img'
archive does not contain 'dtbo.img'
archive does not contain 'dt.img'
archive does not contain 'pvmfw.img'
archive does not contain 'recovery.img'
archive does not contain 'vbmeta.img'
archive does not contain 'vbmeta_system.img'
archive does not contain 'vbmeta_vendor.img'
archive does not contain 'vendor_boot.img'
archive does not contain 'vendor_kernel_boot.img'
archive does not contain 'super_empty.img'
archive does not contain 'odm.img'
archive does not contain 'odm_dlkm.img'
archive does not contain 'product.img'
archive does not contain 'system.img'
fastboot: error: could not load 'system.img': No such file or directory
21:48:14 P15v:lkft$