The one you like that suits your needs.
Assuming you're not moving to another country - you don't need to buy a new phone ! Your existing phone will work perfectly well.
you should unlock the phone from a professional.
It is up to you. A contract means you can get the phone for free, and get a new one when the contract renews. Non contract is when you have to buy the phone up front and put a PAYG sim in it
buy a new Sim card or consult a local mobile phone store
From my perspective you should buy clothes because you could always use new or different clothes or if you really need the phone to contact someone buy it.
new phone or laptop or some new clothes or money so you can buy what you want
when you go into your home there should be an button that has a chair and in front a lamp click that and press buy new furniture
Call the phone company on a different phone and see if they can fix it. You should check if it is still under warranty. If not ask for or buy a new one.
It takes time to buy a new phone regularly, therefore it makes sense to buy a decent phone that you plan on keeping for a while. Then you should protect your phone with a very sturdy case. Wherever you buy your phone, they will sell the sturdiest case for your model.
If you are going to buy a new phone, you should get the HTC Legend, which is a much better value for the money than the HTC Hero.
No, best thing to do is to go crazy along with your phone. That way you don't need to buy a new one and your life suddenly becomes 150% more enjoyable!
yes, it does. as long as you buy a new phone, there are matched phone charger.