Apple iPhone 6s iOS 11.1 beta firmware
Apple iPhone 6s
Not signed
iOS 11.1 beta
Build 15B5066f For iPhone8,1, N71AP, N71mAP
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
2.53 GB
Downloads from secure-appldnld.apple.com.
File details
- Device
- Apple iPhone 6s
- OS
- iOS 11.1 beta
- Region
- Global
- Type
- IPSW
- Released
- Size
- 2.53 GB
- File name
iPhone_4.7_11.1_15B5066f_Restore.ipsw- SHA-1
e8ad84dc0ca7ba5af64e86faf7d81b0c4c532f38- SHA-256
b4568b7c285a5d3e7e75d19afc549f0d2750810208a681b06f6902102b64c238
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: iPhone8,1, N71AP, N71mAP. 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