Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 12.5.5 (16H62) for iPhone 6+

Version:	12.5.5
Build:	16H62
Signed:	No
Size:	2.97 GB
Release Date:	2021-09-23 16:52:25
Upload Date:	2021-09-20 20:36:53
SHA1:	4a5c44e3fdc4a80a569b61ff3ff252e7d6482bfd
MD5:	20f0380b2b064d74260473154bcdeed7
SHA256:	b03bd5c751a76177ddba7fab1d28c8c4876561b41ceb87a517d416f9c5bc588f

Secure download directly from Apple's servers

IPSW Portal