IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 12.1.1 (16K5044a) for Apple TV 4K

Version:	12.1.1
Build:	16K5044a
Signed:	No
Size:	1.56 GB
Release Date:	2018-11-15 18:08:10
Upload Date:	2018-11-13 19:39:53

Secure download directly from Apple's servers