Apple iPhone 6s+ iOS 11.4.1 firmware
Apple iPhone 6s+
Not signed
iOS 11.4.1
Build 15G77 For iPhone8,2, N66AP, N66mAP
Global · IPSW
A newer version is available for this region: iOS 15.8.8
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
Download
2.73 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 6s+
- OS
- iOS 11.4.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 2.73 GB
- File name
iPhone_5.5_11.4.1_15G77_Restore.ipsw- MD5
1f323d846007af8078847628bf9239ba- SHA-1
06dc5df272b54c6617d54f8095461ebfd419af70- SHA-256
2246ce8f759f66db2b9a01cc4e4be1b709eba1807197a7fb89b8ae324369c86c
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: iPhone8,2, N66AP, N66mAP. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Use Finder on a Mac or the Apple Devices app / iTunes on Windows to install an IPSW file. Apple only accepts versions it is still signing, so check the “Signed” label before you download.
Read the guide: How to restore an iPhone, iPad or iPod with an IPSW file