Can I update from iOS 6 to iOS 7 on my iPhone 4S?
Hi,
I am using my old iPhone 4S as a secondary/backup phone. It was running iOS 9.3.5, but extremely slowly so I decided to downgrade to iOS 6.1.3. I got the .ipsw file from ipsw.me. I was able to do this because Apple recently started signing iOS 6.1.3 for the iPhone 4S and the iPad 2. After downgrading, I saw in Settings on the 4S that I had the option to update to iOS 8.4.1. However, I would actually like to update to iOS 7. I downloaded the ipsw file for iOS 7.1.2 from ipsw.me and tried without success to update via iTunes. Even though it said the firmware was no longer being signed by Apple, I thought this just meant I couldn't restore with this firmware from iTunes. I didn't know it meant I couldn't update to this version of iOS. I would still like to get iOS 7 on this phone. Is there a way?
Thanks.
iPhone 4S, iOS 6.1.3