How to shrink a silicone Iphone 4 case?

I have a purple Kiki kitty iphone 4 case (It's like a normal iphone 4 case but with a kitty on the back). I love it so much! But it's expanded alot and falls off really easily! Is there a way forrm to shrink ir a little? Like boiling it or freezing it? The case was $30 so i kinda want to keep it a bit longer!

Will using my iPhone's hotspot cost extra money?

I have an iPhone 4s (which is up to date on all IOS updates) and I have the unlimited data plan at AT&T. I'm leaving for a road trip tomorrow, and I wanted to turn the hotspot on so I could use that Wi-Fi on my laptop during the trip so I won't get bored. It says I need to set up an account for it, which I will do later… But would any extra charges be added to my bill?

Iphone 4 problems and Is Siri worth it?

If I were to purchase an Iphone 4 does it still have the death grip problem? Is Siri worth it? Should I pay an extra $100 dollars to buy an Iphone 4S just for Siri?

Will my iphone 4 stay unlocked?

Hi, I jailbroke my iphone 4 ios 6.0.1 with tethered as it is what available right now- meaning I can't reboot the phone normally and have to go through redsnow "just boot" and I unlocked it with ultrasn0w so that I could sell it. Now, if i were to reset it to factory setting, will i lose the unlocked status of the phone? How does that work?

How to change my twitter notification tone on my iPhone 4?

I have an iPhone 4 running iOS 5.0 (not jailbroken). I have certain tweets coming to my phone as SMS and I usually have a different tone for those apart from my regular texts. I have made some custom tones (by downloading an app to make it and then plugging in my phone and doing the file sharing thing.) and I want to set one of those custom tones as the tone for my SMS tweets. I know I've done it before, but now I can't remember how I did it. Does anybody know how to help me out?

Does your iPhone 5 lose battery quickly?

My iPhone 5 loses its entire battery charge in one day! Does anyone else have this problem? How do I fix it? I tried "deleting" the apps when you double click the home button and it doesn't really help with the battery. My brightness is also pretty low.