Apple iPhone 6s+ iOS 15.1 IPSW firmware
Apple iPhone 6s+
Not signed
iOS 15.1
Build 19B74 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
5.20 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 6s+
- OS
- iOS 15.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 5.20 GB
- File name
iPhone_5.5_15.1_19B74_Restore.ipsw- MD5
f615a72971f1498b328821fdc276e608- SHA-1
ff7ed58a69c90b318d827c98a61bfbaab6dbcbf0- SHA-256
bcf974cc79c1a13bc87ef6af1971f1e2e951fadfa71ce4007b77eba9531b7130
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