IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 10.2.1 (14W5563b) for Apple TV 4 (2015)

Version:	10.2.1
Build:	14W5563b
Signed:	No
Size:	0.97 GB
Release Date:	2017-03-28 16:57:57
Upload Date:	2017-03-24 16:09:01
Release Type:	Beta

Secure download directly from Apple's servers