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really? why do i see/hear a lot pple saying give me your contact my iphone just weirded out and all my contacts were lost?

how about text messages?
 
just use itunes to back up your phone. It creates a file and if you restore your iphone or replace it you can always restore from your back up and all your info will be back.
 
Text messages are contained in each backup. Contacts can be synced with other software such as outlook if you wish.
 
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