how to restore to previous firmware on 3GS iPhone 3G

tezer24

2011-01-07 15:05:01

I have an iphone 3GS that has firmware iOS 4.2.1, and i want to restore it to a previous firmware such as iOS 4 or iOS 4.1. Is this possible? and if so how would i go about doing this?
thanks
iPhone 3GS iOS 4 Firmware iOS 4.2.1

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RE:how to restore to previous firmware on 3GS iPhone 3G

roaminggnome

2011-01-07 15:05:01

There is no legit way to downgrade.
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