If I want to upgrade my TX2 Linux system and drivers, can I upgrade online without using JETPACK?

If I want to upgrade my TX2 Linux system and drivers, can I upgrade online without using JETPACK?
Can I upgrade TX2 UBUNTU online? Or is there a problem?

Currently, only after jetpack4.3 supports to use the deb file to upgrade the linux system.
As for something like rel-28 -> rel32, it is not supported yet.