Download iOS 15.0 (19A346) for iPhone 8 Plus (GSM)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone10,5
iOS Version 15.0
Release Date 2021-09-20
Update Date 2021-09-17
Sha1sum
0d9996d49a37768bc74fdee7cea1ce1e0a2641f4
Sha256sum
8d55da2e07fa75441c5804835c3d659d096a1d85648a1e7fe4ba5be9c93bf6c1
md5sum
d9d4d2e2b119aec4ac67d3f1ca2dfdb4
Size 5.51 GB
FileName
iPhone_5.5_P3_15.0_19A346_Restore.ipsw
Status

Download IPSW (5.51GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

FaceTime

Messages and Memoji

Focus

Notifications

Maps

Safari

Wallet

Live Text

Spotlight

Photos

Health

Weather

Siri

Privacy

iCloud+

Accessibility

This release also includes other features and improvements:

This release includes even more features and improvements. For more information, please visit this website: https://www.apple.com/ios/ios-15/features/

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