User level: Level 1 (4 points)I cannot perform the current software update on my 4th generation Apple TV (A1625). It is currently running 15.1.1 (it has been in storage for a while). Also, when I put in my Apple ID, it just redirects me to sign in again.
Posted on Oct 28, 2026 6:00 PM
User level: Level 10 (242,520 points)Oct 29, 2026 10:32 AM in response to Larsanar
15.1.1 is currently 4 versions down from current for that model, so it may not be able to perform the update over Wi-Fi or Ethernet.
The A1625 is a 4th Generation or Apple TV HD, which means it has a USB-C port. You can connect the Apple TV to a computer and try to update it through iTunes (Windows PC) or Finder (current Mac).
click here ➜ If you see a warning symbol on Apple TV - Apple Support
User level: Level 8 (41,662 points)Oct 29, 2026 10:14 AM in response to Larsanar
The current version of TVOS is not supported on that model, the latest you can go would be 26.6.1
Since that would still be a big jump from 15.1.1 you may need to restore it so it can then install the latest firmware available.
Since you are running a pretty old version of firmware currently I would go through that process first so it is running something much more recent before you attempt to sign in again.
Originally posted at discussions.apple.com/thread/256384941