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04-21-2013, 10:58 PM #1Updating from iOS 5.0.1 to 6.1.2 on iPhone 4S NOT working
I am trying to update to iOS 6.1.2 from iOS 5.0.1. I am not going to 6.1.3 so that I can still jailbreak my device. I am not worried about the baseband as I am on AT&T. I have tried everything from checking the host file, both deleting the gs.apple.com line to just adding a # to the beginning of the line. I have used TinyUmbrella to make sure the "Set hosts to Cydia" is not checked. Regardless, I still keep getting the "device isn't eligible for the requested build" error.
I have downloaded a couple different versions of the "iPhone4,1_6.1.2_10B146_Restore.ipsw" file and still get this error.
I have tried using TinyUmbrella and started the "TSS Server" to restore to 6.1.2, but I then got an iTunes 11 error. (I didn't write this one down.)
Been searching all over the web for a fix, and everything says to make sure the Cydia box (mentioned earlier) is unchecked in TinyUmbrella and to fix the host file, and still it doesn't work.
04-21-2013, 11:19 PM #2
You can't do what you're trying on a 4s. There's no way to update to anything but the latest iOS version.
04-22-2013, 12:12 AM #3
Yup, can't be done!