✗ This firmware is not signed. This means you cannot restore to it in iTunes.
The instructions below are included for reference only.
Windows
- Install the latest version of iTunes from the Microsoft Store.
- Plug your iPhone 7 Plus (GSM) in to your PC.
- Open iTunes, and navigate to your iPhone 7 Plus (GSM).
- Hold the Shift key on your keyboard, and press "Restore".
- Select the
iPhone_5.5_P3_12.1_16B92_Restore.ipsw
file that you downloaded.
- Wait for the restore to complete, and the iPhone 7 Plus (GSM) to reboot.
macOS
- Plug your iPhone 7 Plus (GSM) in to your Mac.
- Navigate to your iPhone 7 Plus (GSM) in Finder.
- Hold the Option or Alt key on your keyboard, and press "Restore".
- Select the
iPhone_5.5_P3_12.1_16B92_Restore.ipsw
file that you downloaded.
- Wait for the restore to complete, and the iPhone 7 Plus (GSM) to reboot.
Linux
- Install idevicerestore.
- Plug your iPhone 7 Plus (GSM) 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_5.5_P3_12.1_16B92_Restore.ipsw
and press enter.
- Wait for the restore to complete, and the iPhone 7 Plus (GSM) to reboot.
Windows
- Open PowerShell, and navigate to the IPSW file that you downloaded, e.g.
cd Downloads
- Type
Get-FileHash iPhone_5.5_P3_12.1_16B92_Restore.ipsw -Algorithm SHA1
- The output of the command should match the following checksum:
4e6f79560ddd724f0c32d19a56c4070609c322e8
. 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_5.5_P3_12.1_16B92_Restore.ipsw
- The output of the command should match the following checksum:
4e6f79560ddd724f0c32d19a56c4070609c322e8
. 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_5.5_P3_12.1_16B92_Restore.ipsw
- The output of the command should match the following checksum:
4e6f79560ddd724f0c32d19a56c4070609c322e8
. If it doesn't, you may need to redownload the file.
Checksums
SHA256sum |
9ec8812a330537fd02d176e594056698059960c916e3cf773c7d883313d643cc |
MD5sum |
aa306a2c2a507888dc34d03e6e1c9101 |
SHA1sum |
4e6f79560ddd724f0c32d19a56c4070609c322e8 |
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.
iOS 12.1 introduces Group FaceTime, adds over 70 new emoji, and includes support for Dual SIM with eSIM for iPhone XS, iPhone XS Max, and iPhone XR. This update also includes bug fixes and improvements.
Group FaceTime
- Adds support for video and audio calls with up to 32 participants simultaneously
- Encrypted end-to-end so your conversations remain private
- Start Group FaceTime right from a group Messages conversation, or join an active call at any time
Emoji
- Over 70 new emoji, including new characters with red hair, gray hair and curly hair, new emoji for bald people, more emotive smiley faces and additional emoji representing animals, sports and food
Dual SIM support
- Introduces Dual SIM with eSIM which allows two numbers in one device for iPhone XS, iPhone XS Max, and iPhone XR
Other improvements and fixes
- Introduces Depth Control in Camera preview for iPhone XS, iPhone XS Max, and iPhone XR
- Improves cellular connectivity for iPhone XS, iPhone XS Max, and iPhone XR
- Adds the ability to change or reset your child’s Screen Time passcode using Face ID or Touch ID
- Fixes an issue where the sharpest reference frame was not always selected in front-facing photos for iPhone XS, iPhone XS Max, and iPhone XR
- Resolves an issue that caused messages to be merged into one thread when two users were signed in with the same Apple ID on multiple iPhones
- Addresses an issue that prevented some voicemails from appearing in the Phone app
- Resolves an issue in the Phone app that could cause phone numbers to appear without their corresponding contact name
- Fixes an issue that could prevent Screen Time from reporting specific websites in the activity report
- Addresses an issue that could prevent adding or removing family members from Family Sharing
- Adds a performance management feature to prevent the device from unexpectedly shutting down, including the option to disable this feature if an unexpected shutdown occurs, for iPhone X, iPhone 8 and iPhone 8 Plus
- Adds the ability for Battery Health to inform users that it is unable to verify if a genuine Apple battery is in iPhone XS, iPhone XS Max, and iPhone XR
- Improves reliability of VoiceOver in Camera, Siri, and Safari
- Fixes an issue that could cause MDM Device Enrollment to report an Invalid Profile error for some enterprise users
For information on the security content of this update, please visit this website:
https://support.apple.com/kb/HT201222