Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 12.1.2 (16C101) for iPhone XS

Version:	12.1.2
Build:	16C101
Signed:	No
Size:	3.36 GB
Release Date:	2018-12-17 21:10:09
Upload Date:	2018-12-13 19:29:31
SHA1:	b5b9f7c50ae8d63889c7262e157318b0dfd4eaf8
MD5:	b52ec3d7e19971a52d62c5b1e06e9d92
SHA256:	4fa8a366d8e29c8a5a998d0be7c17e5c857ae5efe33e6c5b3e1e66592e597f8a

Secure download directly from Apple's servers

IPSW Portal