* Unlimited Mobile Broadband - Fair usage policy
1. All the unlimited broadband plans are subjected to a fair usage policy except for SKY broadband which does not have any fair usage policy.
2. All the unlimited mobile broadband plans are subjected to fair usage policy, in which 3-mobile offers a maximum of 15GB while O2 and Orange offers 10GB as the maximum.
Extra Charges:
1. T-mobile is the only provider in UK who does not charge extra for any excess usage instead sends a request to upgrade or change your plan.
2. Virgin media and Vodafone charges £15 for every extra 1GB.
3. Orange provides monthly add-ons for £10, £15 and £20. However if not subscribed then users are charged at 1.43p per MB.
4. O2 charges 19.6p per MB which can increase up to £200 for 1GB and 3-Mobile charges £100 per extra GB. But normally 3-mobile cuts off the connection of the user after reaching an extra £50 on their bill.