The cost of a data plan has nothing to do with the phone. They nearly always cost the same. I would get the MyTouch because it's Android and can use T-Mo's 4G network speeds.
You can't. Android has to be coded to work on the specific hardware, especially the processor. It's not like owning a PC, and being able to put Windows and Linux on it. The code for the OS has to be small, so it has to be modified for the specific device.
The catch is you didn't choose a phone.
Go to the orange website and bring up the iPhone page. You see the plank price for each plan? You need to select one of the two phones on the left side of the page. then the price appears in the plan option.
No one give the iPhone away for free.
Well, that's because the iPhone was designed, by Apple, to be a globally-capable device they could market anywhere, and since the US is pretty much the only country that uses CDMA network technology (what Sprint and Verizon use, along with a lot of smaller regional carriers), they didn't see the...
Well, first of all, if you have the USB cable that came with the phone, plug it into a USB port on your laptop or computer. That will charge it.
The USB port on the newer phones is called a "micro" USB connector. If you examine it, you'll see the end connector (that goes into the phone) is...
I don't understand why people buy the iPhone, then wonder why it won't work with a T-Mobile sim. If it did work, the only thing you'll be able to do is make calls and maybe send text messages. You wouldn't, in all likelihood, have data access, which means no Internet, no IPhone store, etc.