The prompt message of successful running is displayed.
Upgrade info [OK];
The installation package is invalid or damaged and needs to be regained for upgrade command.
Invalid package file
The installation package is not available on the device and needs to be regained for upgrade
command.
Device don't support
There is no need to upgrade the device.
The version in device is newer or the same
When there is insufficient space for upgrade, check USB flash disk attached on the device.
No enough space for decompress
Contact the service center to solve the system problem.
No enough space,rootfs been destroyed. Please upgrade in uboot