Quote:
Originally Posted by BarTopDancer
I think the iPhone becomes a very expensive paper weight if it's unlocked and then updated.
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Up through the iPhone's 2nd gen latest update, you can buy software for around $25 that either prevents it from relocking and/or restores/reunlocks your phone afterwards (while keeping the upgrade). Most of these are included in the programs that allow you to unlock an iPhone yourself. (Which is especially nice if you have a friend who is upgrading to the new iPhone and will give you their phone or sell it to you cheaply).
Oh, and I forgot to say before that an unlocked, unrecognized smartphone using the cheap, non-smartphone data package DOES automatically run on the 3G network.
I also forgot to add that an unlocked iPhone opens up some features that are restricted for att's locked version users. (I believe tethering may be one of them.)