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 DateDecember 13, 2017
Upload DateDecember 10, 2017
FilenameiPhone_4.7_11.2.1_15C153_Restore.ipsw
Filesize2.5 GiB
SHA256suma50333cdc2199845c9e4ccc080bc68c0f30a5b22cc87ff30765d2594781e7cb7
MD5sumd2ad5a1613a62b5170615d97d3de29b2
SHA1sum202b14e1e0f2cdbffc9a08c3aff9a75a4d9c1eee
IdentifieriPhone8,1
Download (2.5 GiB)




iOS 11.2.1 Release Notes

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

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