What carriers can i connect an iphone 4 CDMA to?

I bought a bad ESN sprint iphone 4 ios 6 planning to unlock it and connecting it with t mobile with a micro sim card but when I got it it was a CDMA and so it doesn't have a sim card tray. What can I do?

How is my iPhone 4 so over-capacity

I have a white 8GB iPhone 4, and whenever I try to add more music, it tells me it can't sync anything else onto the phone because it's over-capacity. I only have about 25 apps. Before, I had way more, and I've deleted all the apps I absolutely do not need and all the ones that take up a lot of storage. I can't remove any more apps I currently have on my phone because I use them all.
As for music and pictures, I have 304 pictures. I've had up to 900 pictures and videos with all the other extra apps and my phone wasn't over capacity.
I also only have 354 songs as well. Apparently you can have up to 100 songs or something. I've only had this phone since June, if that helps. I know that some storage is taken up by the software (iOS 6), but why is it claiming to be so full! I can't take any more photos or download anything unless I delete some things (I've already deleted everything I can).It's really frustrating, because I know that I have had way more apps and pictures/videos on my phone at a time.

Boarding pass app for Iphone 5?

I want a boarding pass app, i have been searching the web, and I see the same things and at the same time a slight difference with the boarding pass app, and some of them are more expensive than others!

If possible I want a free boarding pass app. And if its a paid app, I don't want it to be to expensive but also get the things that travelers usually want on their phones.

Any suggestions?

My sound on my videos on iPhone?

Ok so I recorded a video and tries to watch it and no sound came out its not my speakers cause I was just listening to music… Then I get on keek and I can hear my videos on their and yes my sound is turned up

How much did you pay for your iphone 5?

Plus sales tax

I want an iphone 5 sprint California but the sales tax if unbelievable.

Added (1). Is* and i would love it if you would say your carrier and your state.

is it reasonable to buy a iphone 5 for $199 + $60 of sales tax? They are charging me the original price of the iphone, is that correct or is the online estimate wrong.

IPhone 4S lock button problems?

Okay my iPhone 4S lock button is not responding and I can't unlock or lock my phone using the button. And if my phone were to die I'm screwed. I haven't dropped my phone in the last few months, or had any kind of water damage so I have no idea how this could happen? Is there any answer to this? I'm going to apple and Verizon tomorrow but I just wanted to know if there's anyway I could fix this myself, thanks!