Boosters
If you're a Pay Monthly mobile customer, our handy Boosters can make using your phone at home or abroad even better value. Add them for a month, or as long as you like. Just log in to your My Sure account and go to Manage Add Ons to give your plan a boost!

Home Booster
Save over 85% on selected call rates with our Home booster, with big discounts on your mobile calls from Guernsey to the UK, Europe and other popular international destinations. View our call rates to see how much you could save when you add a Home Booster to your Pay Monthly Plan.
Need more data?
If you occasionally need more data on your mobile broadband or pay monthly phone plan, for use on island, our data boosters are here to help. To add 25, 50 or 100 GB to your existing allowance simply call us on 01481 700700.
Data Booster | Price |
25 GB | £10.00 |
50 GB | £15.00 |
100 GB | £25.00 |
Booster Information
Log into your My Sure account and go to Manage Add Ons to give your plan a boost.
For information on zones and costs please visit our roaming page or for more information on roaming visit Help & Support.