Digi CM 16 firmware upgrade from v1.7.0.1 to v1.9.5.3

@here, can you please help me with the following queries, thanks in advance.

  • I have a Digi CM 16 with the current Firmware version, can I able to upgrade directly to v1.9.5.3.
  • Can someone please share me the release notes of
  • Does this upgrade has any issues in SSH/web access for root user.
  • How can I rollback to old firmware if needed

It looks like there are several fixes for SSH included in the upgrade, see the release notes below:

You can find the Release Notes at this link:

Web page:

Rolling back software is not recommended.