Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 8.1 (12B411) for iPhone 5s (GSM)

Version:	8.1
Build:	12B411
Signed:	No
Size:	1.94 GB
Release Date:	2014-10-20 17:56:58
Upload Date:	2014-10-15 17:19:53
SHA1:	28853c4cee9c42d8d2787f53a8563d995f833ff8
MD5:	bad689b9034533fc4b0c2a0e28a1948e
SHA256:	7e500dcd740656554e3751ac4527f8ef6ea0fc88a1fa2ce65229df03d192dcd9

Secure download directly from Apple's servers

IPSW Portal