Here are details of the new measures to protect mobile phone users from "shock bills", which are expected to be enforced from next spring
- A new liability cap - expected to be £50 - on mobiles that are lost or stolen
- A right to be informed if prices rise mid-contract
- A right to break off the contract without penalty if they don't want to pay higher rates
- BT, Sky and TalkTalk have agreed to support Government efforts to eliminate EU roaming charges by 2016.