The iPhone 4/4S microSIM on 3

All the information sent to your phone while you're browsing or checking your email is measured in megabytes (MBs). So the more you do online, the more MBs you use.

To give you an estimate, 500MB is equivalent to sending around 500 emails and surfing the internet for 5hours and listening to 16 four-minute music tracks and watching 2 four-minute videos.

All the information sent to your phone while you're browsing or checking your email is measured in megabytes (MBs). So the more you do online, the more MBs you use. There are 1024MB in a GB.

To give you an estimate, 1GB is equivalent to sending around 1000 emails and surfing the internet for 10 hours and listening to 32 four-minute music tracks and watching 4 four-minute videos.

All-You-Can-Eat internet is a revolutionary move by 3 to provide their customers on with uncapped data allowances for the first time in mobile network history.

There are no fair use policies, no extra or hidden charges, and no data caps. You can literally use the internet as much as you like for as long as you like. It's like an All-You-Can-Eat restaurant that never shuts - except now the web is your buffet!

All-You-Can-Eat internet is a revolutionary move by 3 to provide their customers on with uncapped data allowances for the first time in mobile network history.

There are no fair use policies, no extra or hidden charges, and no data caps. You can literally use the internet as much as you like for as long as you like. It's like an All-You-Can-Eat restaurant that never shuts - except now the web is your buffet!

Exclusive to the One Plan, Three-to-Three minutes will be used whenever you use your 3 mobile to call another 3 mobile - great if you have family and friends already on 3!