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I am afraid of losing any data (it happened to me on in the past when syncing a smartphone to Windows - lost all contacts)

What is the safest way of doing this on a Windows PC? (The iPhone is also jailbroken - does it make any difference?)

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Duplicate?… – ChrisF Dec 8 '09 at 16:35

Tell iTunes to sync it as an existing phone, and it shouldn't remove anything. Or, migrate the iTunes library to the new machine, and then sync the phone.

Disclaimer: I haven't tried this on Windows, only on Macs.

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It is the same on Windows as well – pratnala Nov 10 '12 at 12:01

From memory if the phone is jailbroken, then it will backup / sync to any computer. However you can plug it in and see - itunes wont go and delete anything without your permission :)

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Sorry to tell you @JT.WK but this is most certainly NOT true: itunes wont go and delete anything without your permission I have been burned many times! – user76586 Apr 14 '11 at 18:28

protected by studiohack Apr 14 '11 at 18:30

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