IPSW Portal

Choose aProduct→Choose aPlatform→Choose aVersion→ClickDownload

Download 12.3 (16F5155a) for iPhone 6s+

Version:	12.3
Build:	16F5155a
Signed:	No
Size:	0.41 GB
Release Date:	2019-05-07 17:04:27
Upload Date:	2019-05-05 20:51:49
Release Type:	Beta

Secure download directly from Apple's servers