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!
Need more data?
If you occasionally need more data on your mobile broadband or pay monthly phone plan our data boosters are here to help. To add 25, 50 or 100 GB to your existing allowance simply call the sales hotline on 01481 757780.
Data Booster | Price |
25 GB | £10.00 |
50 GB | £15.00 |
100 GB | £25.00 |

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.
Booster Information
Log into your My Sure account and go to Manage Add Ons to give your plan a boost.
Boosters may take up to 48 hours to be applied and we will send you an email once it's live, until then you will be charged our standard rates. To cancel your booster, you will need to notify us by phone, email or in store.
For information on zones and costs please visit our roaming page or for more information on roaming visit Help & Support.