May apple TV chow model A1379, which model is this model 2 or 3,

upgrade and it gave this bug

If it fails to start up properly, then you can try to restore the system software as described. Restore your Apple TV - Apple Support

• Use a USB cable that supports data transfer. Some charging USB cables may not be supported.
• The Apple TV (2nd generation) should not be powered on its own during restore. It gets enough power through the USB cable.

do you think you can go back to the original version with AnyFix ios System Recovery

I would recommend against using tools from third party developers for this. I do not know what that tool can and can’t do. Please use the official method.

It is possible that this old unit has hardware faults (e.g. disk errors) that can’t be helped with fresh software.

A1379 is not a version or model for Apple TV. Not version 2, not version 3. It is a different type of device.

Apple TV models can have model number A1218, A1378, A1427, A1469, A1625, A1842, or A2169. Could it be that you misread it from A1378? A1378 is the number for Apple TV (2nd generation).

Apple TV would not show in Disk Utility. Apple TV may show in the iTunes application (PC or Mac w/ macOS 10.14 or earlier). Apple TV may show in the sidebar of a Finder window (Mac w/ macOS 10.15 or later). Restore your Apple TV - Apple Support

Apple TV (2nd generation) from 2010 and has had its last update in 2014 (Apple TV software v6.2.1). It is no longer supported: What works may keep working, but what doesn’t work anymore won’t get fixed.

Restore your Apple TV - Apple Support

A1379 is the ‘SuperDrive’ CD/DVD combo reader/burner for Macs.

It is not an Apple TV box.