Three - Data SIMs

Data SIMs

Ideal for students, travellers or those who don’t have or want a phone line at home USB dongles are a great way to utilise the Three mobile broadband network.

Very easy to set up these small and light devices are simply plugged into a laptop’s USB port to enable the user to access the internet whenever they choose. Using the Three mobile network and 4G where available these dongles benefit from comprehensive network coverage and can be used almost anywhere.

Catch up with your email when travelling or surf the net whilst enjoying lunch at a country pub. Shop online when visiting relatives or search the internet for information when studying at the library. It’s all easy to do with Three mobile broadband and a USB dongle from

Three data SIM cards can be used in any compatible device, including 3G and 4G tablets and laptops.

Just insert the SIM and away you go.

Price Allowance Expiry
£10 1GB 30 Days
£15 3GB 30 Days
£25 7GB 30 Days
£2.99 500MB Midnight the day after top up.

Data Usage

If you usually use the internet to browse websites and check your email, you'll probably only need between 1-3GB each month. This will give you up to 30 hours to surf the web, while giving you enough data to download nearly 100 songs.

If you use the internet more often, 12-15GB will give you enough data to stream videos, download music or play games online.

To give you a rough idea of how much data you're using:

  • visiting a website uses less than 1MB of data
  • a four minute song uses about 6MB
  • a five minute YouTube video could use up to 15MB
  • watching iPlayer for an hour uses about 700MB.

The best way of tracking how much data you've used is by going to your My3 account on your computer or tablet. This will tell you how many megabytes you have left in your allowance. Using your My3 account is free.

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