Updating from 10 3 9 to 10 4

* Upgrading to the latest version of i OS software provides the latest features, security updates, and bug fixes.

updating from 10 3 9 to 10 4-56

If you can’t update wirelessly on your i OS device, you can update manually using i Tunes on a computer that you trust.

If your computer is using Personal Hotspot on the i OS device that you’re updating, connect your computer to a different Wi-Fi or Ethernet network before you update.

Also to not, don't follow the steps as is as some are not necessary.

Also, if you are not being able to backup the data via postgres console, you can use alternative approach, and backup it with pg Admin 3 or some other program, like I did in my case.

Tap on the arrow at the far right on that i OS 10.x.x panel. Before my original posting, I had looked for an apparent 10.2.1 update download to delete it, but it was not displaying on the list ...