Download and Install iOS 12.1.1 (16C50) for iPhone 6s / IPSW Downloads

iOS 12.1.1 (16C50) for iPhone 6s

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

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Download (2.9 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

Install the latest version of Apple Devices from the Microsoft Store.
Plug your iPhone 6s in to your PC.
Open Apple Devices, and navigate to your iPhone 6s.
Hold the Shift key on your keyboard, and press "Restore".
Select the iPhone_4.7_12.1.1_16C50_Restore.ipsw file that you downloaded.
Wait for the restore to complete, and the iPhone 6s to reboot.

macOS

Plug your iPhone 6s in to your Mac.
Navigate to your iPhone 6s in Finder.
Hold the Option or Alt key on your keyboard, and press "Restore".
Select the iPhone_4.7_12.1.1_16C50_Restore.ipsw file that you downloaded.
Wait for the restore to complete, and the iPhone 6s to reboot.

Linux

Install idevicerestore.
Plug your iPhone 6s in to your PC.
Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
To perform a full erase restore, type idevicerestore -e iPhone_4.7_12.1.1_16C50_Restore.ipsw and press enter.
Wait for the restore to complete, and the iPhone 6s to reboot.

Windows

Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
Type Get-FileHash iPhone_4.7_12.1.1_16C50_Restore.ipsw -Algorithm SHA1
The output of the command should match the following checksum: b56d1691b12961f1ae7104b049845afd1d7fabd8. If it doesn't, you may need to redownload the file.

macOS

Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
Type openssl sha1 iPhone_4.7_12.1.1_16C50_Restore.ipsw
The output of the command should match the following checksum: b56d1691b12961f1ae7104b049845afd1d7fabd8. If it doesn't, you may need to redownload the file.

Linux

Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
Type openssl sha1 iPhone_4.7_12.1.1_16C50_Restore.ipsw
The output of the command should match the following checksum: b56d1691b12961f1ae7104b049845afd1d7fabd8. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum	`702f917a05f6ae3d07bc35fd936e24610849dac14049e326e762178b30cb30e9`
MD5sum	`702f917a05f6ae3d07bc35fd936e24610849dac14049e326e762178b30cb30e9`
SHA1sum	`b56d1691b12961f1ae7104b049845afd1d7fabd8`

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

iOS 12.1.1 adds features and fixes bugs for your iPhone and iPad. Features and improvements include:

Notification preview using haptic touch on iPhone XR
Dual SIM with eSIM for additional carriers on iPhone XR, iPhone XS, and iPhone XS Max
One tap to flip between the rear and front-facing camera during a FaceTime call
Live Photo capture during one-to-one FaceTime calls
The option to hide the sidebar in News on iPad in landscape orientation
Real-time text (RTT) when using Wi-Fi calling on iPad and iPod touch
Stability improvements for dictation and VoiceOver

Bug fixes include:

Fixes an issue where Face ID may temporarily become unavailable
Addresses an issue that prevented visual voicemail from downloading for some customers
Fixes an issue in Messages that could prevent predictive text suggestions when typing on the Chinese or Japanese keyboards
Addresses an issue that could prevent Voice Memos recordings from uploading to iCloud
Fixes an issue where time zones may not have updated automatically

This release also adds features and fixes bugs for HomePod including:

Support in Mainland China and Hong Kong
HomePod LEDs illuminate during Group FaceTime calls

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