Do iphone contacts get restored after updating firmware?

Sal

Member
Jun 1, 2008
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hi my friend has a very old 1.1.2 iphone and wants to update to 2.2 with my computer..i remember txt and contacts still remain there after updating..I backed up the phone on my computer and looks like it did it successfully just making sure..(i know all media like music and videos gets deleted but that dows not matter)
 
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