Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 12.1.2 (16C101) for iPhone XS Max

Version:	12.1.2
Build:	16C101
Signed:	No
Size:	3.32 GB
Release Date:	2018-12-17 21:08:18
Upload Date:	2018-12-13 19:29:30
SHA1:	621022046abdd7eafd01a3d18d3a19a850c20923
MD5:	75f21513dc69894a2c0c6f05a772512f
SHA256:	ba45120702b1fc7e520f9c6c1f23c7c91974e5dcfa3739d41c04aa5ac59a312e

Secure download directly from Apple's servers

IPSW Portal