Any provider of wireless voice, paging or data service should be considered a cell phone carrier. Some examples are iPhone and iPad with 3G as well as the various hardware for connecting computers to a wireless network operated by a carrier, especially if it uses longer range radio frequencies than ...

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4answers
9k views

Moving Sim Card from One iPhone to Another

I am looking to buy an iPhone 4 from the secondary market. I currently have an iPhone 3GS. Can I just replace the sim on the new iphone with my current sim? Or is there something else that I need to ...
1
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1answer
217 views

verizon iphone4: if it has access to wifi and 3G which will it use and what's best for battery life

At home, my iphone has a strong signal to Verizon's 3G network and my home WiFi network. In the interest of battery life, which connection will iphone use if it has access to both networks? Also, ...
4
votes
4answers
336 views

Is the Verizon iPhone 4 susceptible to the 'grip of death'?

Of course, it's possible to get any phone to lose a bit of signal if you cover the antenna with your hands, but I'm wondering if the Verizon iPhone 4 also suffers from the attenuation issues that the ...
4
votes
2answers
746 views

What are the differences between the AT&T and Verizon versions of iPhone 4?

Besides working on their respective carriers, what are the similarities and differences between the AT&T iPhone 4 and Verizon iPhone 4?
6
votes
4answers
2k views

Is there a better way to travel internationally with an iPhone (3GS/4 specifically)?

I've travelled to Europe and Asia quite a bit with iPhones with no problems (I live in the US), except for the fact that making calls anywhere outside the US is crazy expensive and of course I ...
3
votes
1answer
76 views

What can I do once my jailbroken iPhone gets a data plan attached by AT&T?

I noticed my phone bill had a data plan attached this month to my jailbroken iPhone -- is there any way to get around this?
3
votes
3answers
789 views

Least expensive prepaid data roaming with an unlocked iPhone in the US

Will be travelling to the US a bit and trying to determine the least expensive way to get my unlocked iPhone online. My provider (Rogers) has a standard US data roaming rate of $30/mb but also ...
1
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3answers
642 views

iPhone 3GS, ATT MicroCell, iOS 4.0.1, failure to connect

I was a very happy customer of my microcell until the upgrade to 4.0 and the subsequent patch. Now, at best, I can force an M-cell connection by flipping to airplane and back. I have completely ...
3
votes
1answer
499 views

Transferring an old iPhone after I upgrade?

I'm about to upgrade from the iPhone 3G to the iPhone 4, and I'm not sure what will happen to my old device once my phone number is transferred. Specifically, I want to give the old device to my ...