iOS 11.4 (15F79) for iPhone 5s (GSM)

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

Release DateMay 29, 2018
Upload DateMay 18, 2018
FilenameiPhone_4.0_64bit_11.4_15F79_Restore.ipsw
Filesize2.5 GiB
SHA256sum184d1b39a26e8970677f53649912a2c442588b40ca3dbdc1e8e291a37244aca4
MD5sum6d84e23e3a8b129e23db949dd3d16c27
SHA1sum2498155576945af920b1aa4137b26d8312672f46
IdentifieriPhone6,1
Download (2.5 GiB)

iOS 11.4 Release Notes

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

iOS 11.4.1 includes bug fixes and improves the security of your iPhone or iPad. This update:

  • Fixes an issue that prevented some users from viewing the last known location of their AirPods in Find My iPhone

  • Improves reliability of syncing mail, contacts and notes with Exchange accounts

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

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