What should i choose Sprint vs Verizon?

I currently have a family plan on verizon with one smartphone (iPhone) but travel to St. Louis often. Is sprints network as good as Verizon's as coverage and 4g. I'm considering switching to sprint and if I do that then we would get 3 smartphones but I don't want to compromise the coverage and data speed. If I don't then ill stay with one smartphone on Verizon. Basically my? Is which is better data and talk Verizon or sprint?

I cracked my iPhone screen

Today at work I dropped my iphone (4) & it landed facedown & cracked. Two of the corners are cracked there's a few cracks in the middle. How much would it cost to get my iPhone screen fixed? & what are some places I can get it fixed at? Also, do they charge on how badly cracked your screen is?

Does my iPhone save everything I do and put it on a bill?

I'm using Wi-Fi on my iPhone 4 sprint and I wonder if it saves everything I do even tho it's on Wi-Fi connection, such as making face time calls or iMessage message, or downloading apps, or transferring pictures thru apps, does it ever show that I do these stuff any where if it's on Wi-Fi connection? Is it basically like an iPod bc I want it to be like one

IPhone 5, incorrect billing info, but stuck at installing? What do I do?

I tried to buy a game called Modern Combat 4. I was in the process of entering my billing info when I somehow accidentaly hit the magic spot on my touch screen to move forward. The billing info is obviously incorrect regarding the billing address, and now I can't "purchase" the game. I can only try to "install" it. It gets stuck "waiting" on the main screen. At the app store, I can install it from the cloud.

Nothing happens because I don't own the game. I want to purchase it, but it didn't reset my info. When I delete it and go back to the app store, it shows a cloud I can try to download it from, to no avail.

How to change my search engine on a iPhone 4?

My iPhone used to go automatically to google but now it goes to yahoo and I rather have google as my main search engine. The first answer that helps me will get 10 points right away.

Would a gold iPhone be too much?

I'm really liking this back for my iPhone 5

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But I'm not sure if its too flashy or too much. I'm a guy too so let me know what you think.

My iphone sound doesn't work?

So i treat my iphone like ***. The entire back is all chipped off and i dropped it in a bucket of water the other day. My volume buttons recently jammed but then they ended up working. My phone works, but for some reason the volume doesn't work. Every time i go to my music and try to play a song out loud, that volume bar disappears like its really weird. Any advice? And no i can't get a new iphone my parents won't let me