Can I use my iPhone abroad without getting charged?

Obviously I'm from the UK and I'm going to France soon and I want to know if my iPhone will work/ill be able to text/use Internet etc.abroad in France.
I'm on the 3 network with the unlimited Internet plan if that makes any difference, but can I still use the Internet there and/or text WITHOUT being charged?

Can't check box to delete or view email?

It works fine on my iphone, but I'm not able to check the box to open or delete emails on my computer. I have tried through internet explorer, mozilla, chrome.

Can't even restore my iphone 4?

My iphone seems to be in a crashing loop,
every minute or so it crashes again, over and over.
I have tried the hard reset (Hold the buttons on top and bottom()
I have alot of important stuff on it, But I need my phone working today for my job,
It appears I can't even restore it off itunes before the phone crashes in mid restore and itunes tells me that it doesn't recognize the phone,
any help to force a restore?

How much is it to upgrade to an iPhone 4s?

I'm with Virgin Mobile and I currently have a blackberry curve, I'm pretty sure that the contract is up on my phone now so I was considering upgrading to an iPhone soon. The plan on my blackberry is $35 monthly for unlimited texting and bbm and calls after 5 o'clock and on weekends.

Do you know how much it would be to upgrade to an iPhone? Also I would like to keep the monthly plan under $55 if that is possible. And can you please tell me what some good iPhone plans are?

How to take the disable off the lockscreen on Iphone?

My friends keep trying to figure out my password and keep getting it disabled! I'm extremley annoyed. I put my phone in my backpack and they still take it out. They get my phone disable for hours! Is there a way that they can keep trying to put the password in but my phone won't get disabled? Can I take that option off?

How to down load iphone file to computer?

I lost my old computer, so all my itunes file, etc. Are gone. Got new computer. Down loaded itunes. NOW… How do I get info/files from iphone on to my new computer?

Should I get a 16 gb or 32 gb Iphone 5?

I currently have an 8 gb 4th generation ipod touch, and I plan on buying an iphone. My ipod currently has no space, because of apps, pics, and music. When I get my iphone, I plan on using it for pics, phone stuff, 1-3 games, and social networking. All of my music will be on my ipod. Would a 16 gb iphone be enough? Also, I will be getting an android tablet for school- which is what I plan to use for notes and multi-media.