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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 2 / iPhone 3G / iPhone 3GS

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Old 10-07-2013, 20:46   #1 (permalink)
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help error 20 in 3gs


plz help my iphone 3gs is giving error 20 when i restore to 4.1 plzzz help me
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Old 10-08-2013, 09:59   #2 (permalink)
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Quote:
Originally Posted by gaurav kumar View Post
plz help my iphone 3gs is giving error 20 when i restore to 4.1 plzzz help me
Try starting downgrade from DFU mode .
Wich iTunes version are you using ?
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Old 10-09-2013, 15:40   #3 (permalink)
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Quote:
Originally Posted by loca|host View Post
Try starting downgrade from DFU mode .
Wich iTunes version are you using ?
Error 20

Reportedly happens during failed downgrade attempts, Some have seen success afterwards by doing the downgrade from DFU mode instead of the normal Recovery mode
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