While there's no truly 'unlimited' packages, my standard data with T-Mobile is 1GB, and you can usually find packages for more if you need it. If you're using

While there's no truly 'unlimited' packages, my standard data with T-Mobile is 1GB, and you can usually find packages for more if you need it. If you're using your phone's internet a lot, it's probably better value to get a USB dongle or mifi device. You can get a 3GB/month contract from Three for £10 or £15.