Question

 Can you put a 3g iPhone sim card in to a 1st generation iPhone?

Answer Yes you can but you will not get the benefit of the 3G network speed, you will only get EDGE. Also this will require an iPhone data plan change and if you had the unlimited plan on the iPhone 3Gs y... Read More »
http://wiki.answers.com/Q/Can_you_put_a_3g_iPhone_sim_card_in_to_a_1st_generation_iPhone

Top Q&A For: Can you put a 3g iPhone sim card in to a 1st ge...

Can you buy an iPhone and just put the sim card from your existing ATT 3G phone in I did so in my brother's iPhone and got service and wanted to know if there was a way to do this with a new iphone?

An AT&T 3G sim card will work in a new iPhone.yessss you can :) but the box for the iPhone comes with a little tool to help you open the little compartment for the sim card.... its hidden right und... Read More »
http://wiki.answers.com/Q/Can_you_buy_an_iPhone_and_just_put_the_sim_card_from_your_exi...

How to fix my iphone.. I got an iphone from a friend with an optus sim card and I put a boost sim card in it then restored it via itunes to fix the camera now it says it needs the carrier sim?

Any time you restore an iPhone you will lose your jailbreak and your unlock and you will have to start from scratch and do it all over again. You also cannot use a Boost SIM card in an iPhone as Bo... Read More »
http://wiki.answers.com/Q/How_to_fix_my_iphone.._I_got_an_iphone_from_a_friend_with_an_...

Will any iPhone OS4 features be available on the 1st generation iPhone?

Nope. Only 3GS and iPod Touch 3rd gen. get all the features. iPhone 3G and iPod touch 2nd gen. get a lot, but not some, such as multitasking, because the hardware is not suited for the "massive" RAM
http://wiki.answers.com/Q/Will_any_iPhone_OS4_features_be_available_on_the_1st_generati...

IPhone 3GS to iPhone 4. I just bought a iPhone 3GS the day before the iPhone 4 was announced. Is there any way I can return mine with the money going towards the iPhone 4?

I'm assuming this is old as the iPhone has been out awhile, but no there is no return policy with Apple or AT&T.
http://wiki.answers.com/Q/IPhone_3GS_to_iPhone_4._I_just_bought_a_iPhone_3GS_the_day_be...


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