If you joined T-Mobile or moved onto a new price plan between 1 February 2010 and 31 January 2012, a Flexible Booster is part of your package, at no extra cost.
You always have one Flexible Booster in your package.
If you want to swap the one you've got, just follow the text instructions in the table below and your new Flexible Booster will take effect from your next bill.
If you want to add even more Boosters, check out our Flexible Boosters.
| Name | Description | How to swap it |
| Unlimited Text | Unlimited texts to any UK mobile network and numbers starting 01, 02 or 03 (excluding Jersey, Guernsey and Isle of Man) | To swap, text FLXB1 to 879 |
| Internet Booster | Browse the internet on your phone | To swap, text FLXB2 to 879 |
| Unlimited Landline Talk Booster | Unlimited calls to numbers starting 01, 02 or 03 (excluding Jersey, Guernsey and Isle of Man) | To swap, text FLXB3 to 879 |
| Unlimited T-Mobile Talk Booster | Unlimited calls to other T-Mobile UK customers | To swap, text FLXB4 to 879 |
| Euro Talk & Text Booster | Get a travel allowance of £7.66 and make up to 20 minutes of calls, receive up to 65 minutes of calls or send up to 74 texts whilst you are travelling in Ireland, Isle of Man, Austria, Azores, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Luxembourg, Madeira, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain (excluding the Canary Islands and Balearics) and Sweden. Whilst you are in those countries, calls you make (to any UK or to countries in our six travel calling zones (excluding non geographic and premium rate numbers) will cost 36.6p per minute, calls you receive will cost 11.5p per minute and each text costs 10.2p. Excludes non geographic and premium rate numbers. | To swap, text FLXB5 to 879 |
| USA & Canada Talk Booster | 120 international minutes to call mobiles and landlines in USA & Canada (calls from the UK to overseas customers) | To swap, text FLXB6 to 879 |
| Europe & Australasia Talk Booster | 60 international minutes to call mobiles and landlines in Australia, Austria, Belgium, Bulgaria, Channel Islands, China, Croatia, Cyprus, Czech Rep, Denmark, Finland, France, Germany, Greece, Hong Kong, Hungary, India, Ireland, Isle of Man, Israel, Italy, Latvia, Lithuania, Luxemburg, Netherlands, New Zealand, Norway, Pakistan, Poland, Portugal, Romania, Slovak Rep, South Africa, Spain, Sweden, Switzerland, Turkey (calls from the UK to overseas customers) | To swap, text FLXB7 to 879 |
