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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 03-10-2012, 00:32   #1 (permalink)
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downgrade ios 5.1 to ios 5.0.1 possible?


welcome


ihave iphone 4 ios 5.1 but icant downgrade for ios 5.0.1 and im add this


74.208.105.171 gs.apple.com

in hosts not work


help me thanks
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Old 03-10-2012, 01:36   #2 (permalink)
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5.0.1 stop signing....



you can downgrade non a5 device if you have save shsh for your device...








try cfw restoration



3gs success test

4g - failed ...






br,
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Old 03-10-2012, 02:06   #3 (permalink)
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Quote:
Originally Posted by salahco View Post
welcome


ihave iphone 4 ios 5.1 but icant downgrade for ios 5.0.1 and im add this


74.208.105.171 gs.apple.com

in hosts not work


help me thanks
Only if you have registered ssh in server cydia
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Old 03-10-2012, 02:27   #4 (permalink)
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Downgrade it to 4.1


Sent from my iPhone using Tapatalk
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Old 03-10-2012, 02:31   #5 (permalink)
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yes so sure u can downgrade with first step u need to back up shsh by tinyumbrella the lates version,and then use iFaith to build *signed* ipsw







before downgrade




after downgrade






1.back up shsh via tunyumbrella
2.build *signed * ipsw with the latest version of iFaith
2.put device to DFU mode




BR.

David
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Old 03-10-2012, 02:36   #6 (permalink)
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tested by me today bro

look the pict of the signed ipsw by the latest iFaith






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Old 03-10-2012, 02:58   #7 (permalink)
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possible if you have saved shsh!
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Old 03-10-2012, 10:58   #8 (permalink)
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Quote:
Originally Posted by salahco View Post
welcome


ihave iphone 4 ios 5.1 but icant downgrade for ios 5.0.1 and im add this


74.208.105.171 gs.apple.com

in hosts not work


help me thanks
brother check here about 5.0.1
http://forum.gsmhosting.com/vbb/f456...1/#post8219060

azimbahar
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