Setting up mobile data on your mobile phone

If you didn't buy your phone from us but you have a BT Mobile SIM, you may need to manually input a few settings in order to get the internet and MMS up and running.

We have listed the settings below. Please check your user manual which should give you instructions on how to input these and you can contact your handsets manufacturer if you need additional guidance.

iPhone users see our additional instructions.

Cellular Data APN
Username bt
Password bt
Username bt
Password bt
MMS Proxy
MMS Max Message Size 307200

Remember to monitor your data usage and ensure it doesn't exceed the data bundle on your BT Mobile account.

For further information on how to control your data usage and set a usage limit from within your device, please visit your handset manufacturers website.


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