Download iOS 11.2.1 (15C153) for iPhone 6s+ / IPSW Downloads

iOS 11.2.1 (15C153) for iPhone 6s+

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Release Date	December 13, 2017
Upload Date	December 10, 2017
Filename	iPhone_5.5_11.2.1_15C153_Restore.ipsw
Filesize	2.6 GiB
SHA256sum	`afbc7353b41a844b77a9f25e87f0ccb2cf7ba11a9d33524b8059d43ce8cc64cd`
MD5sum	`b7b7ca626eea70cc44a95ad303e8bc1d`
SHA1sum	`62309429f83eb96041d5f3ddbae3a7580d13ee91`
Identifier	iPhone8,2

Download (2.6 GiB)

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Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 11.2.1 fixes bugs including an issue that could disable remote access to shared users of the Home app.

For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222