Install /sdcard/update.zip ...
Finding update package...
I:Update location: /sdcard/update.zip
Opening update package...
FAT-fs (sda1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
I:read key e=65537 hash=20
I:1 key(s) loaded from /res/keys
Verifying update package...
I:comment is 1728 bytes; signature 1710 bytes from end
I:failed to verify against key 0
E:failed to verify whole-file signature
I:verify_file returned 1
E:signature verification failed
Installation aborted.
I:Saving locale "zh_CN"
EXT4-fs (mmcblk0p19): mounted filesystem with ordered data mode. Opts:
Rebooting...
Restarting system with command ''.
CPU will restart.?
Bootrom start
Boot from eMMC
Starting fastboot ...