Well, the title says what I'm after. Here's the situation: - iPhone 4 - Currently on iOS 7.1.1 - Want to downgrade to iOS 5.1.1 - Was delivered with iOS 4.0.2 (or 4.1) - Has never been jailbroken - Do not have own shsh blobs - Can get blobs from another iPhone 4 with iOS 5.1.1 - Want it untethered I've googled around and found out that is possible. There are however a few things I haven't figured out. 1. Will the jailbreak (and downgrade) be tethered or untethered? One source says it will be tethered, but googling "ios 5.1.1 untethered" says it's possible. 2. Can I put the device to sleep? A source claims that without the correct blobs, putting the phone to sleep will cause reboots (or whatever it was). 3. Will my iPhone be changed permanently? I know that you can just restore, but when you jailbreak, are there files written to some kind of funky hidden-away memory on the phone, or something similiar? Is there something else I should know before I proceed? Any tips or experience you want to share? (I know I should just learn to live with iOS 7, but I don't want to! If it's possible to get iOS 5.1.1, I would really want to try at least.) Thanks for reading!