Before you start deciding what is your choice of Phone, do a little research and see which Service Provider has the best Coverage in your area.

What is
3G

3G or commonly known as 3rd generation - are standards agreed for mobile telecommunications
3G offers increased bandwidth, faster data transfer and better security

Click on the network of choice enter your post code and see if there is coverage in your area.

O2
Orange
Three
T-mobile
Virgin
Vodaphone

Mobile Providers

3 Mobile
Carphone Warehouse
O2
onestopphoneshop
Orange
phones4u
TheLink
thephonespot
T-mobile
Virgin Mobile
Vodaphone

Once you have decided on the best provider then find the phone which is 3G compatible.
Click "here" for a comprehensive view of both Mobile Phone and Network Providers.

Tips to remember are :

1. channel choice (best package)
2. tariffs (type of contract - monthly etc)
3. download usage (restrictions) and top up charges
4. costs for using abroad
   
5. text allowance
   
6. customer service