Mobile Data is something we cannot live without, which is why it is so important to choose a provider that will give you the best connectivity for when you aren’t relying on Wifi.

BT Mobile is cheaper than EE but uses EE’s infrastructure, so you get the reliability of EE’s network at a better deal.

With BT Mobile being affiliated with the EE network, you wouldn’t expect your BT mobile data not working to be a problem.

For the time you come to realize that your BT mobile data not working is occurring, we have written this simple guide for you to use to be able to correct the problem without having to contact someone on customer support.

Why is my BT mobile data not working?

5G Mobile Data Connection

BT Mobile Data Not Working

Let’s look at the possible reasons as to why your BT mobile not working is happening on your mobile device so the issue can be rectified as quickly as possible;

  • You have run out of data
  • The APN settings specifically for BT mobile are not inputted on your phone
  • EE’s network is down, affecting BT mobile
  • You have reached your data limit
  • The current weather conditions are unfavorable

How do I activate my BT mobile data?

Green power button

Activating Mobile Data on BT

BT mobile has made activating your mobile data as simple as possible by pre-activating their sim cards so they are almost ready to use when you have received it.

Activation for New & Replacement sim customers

Step 1. Switch your mobile device off

Step 2. Insert your BT SIM

Step 3. Switch your phone back on

You should now see the BT sign and reception bars at the top of your screen, confirming activation has been completed.

A few other ways to ensure your mobile data roaming is activated;

  • Check to see the mobile data roaming is switched on your mobile
  • Restart your phone
  • Look to see if the software on your mobile needs to be updated

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What are the APN settings for BT mobile?

Settings Logo

APN Settings for BT Mobile

Customer support is not needed to check or correct your APN settings on your mobile as you can do it yourself by using the APN settings given;

  • Name: BT
  • APN:
  • Proxy: Not Required
  • Port: Not Required
  • Username: bt
  • Password: bt
  • Server: Not Required
  • MMSC: http://mms/
  • MMS proxy:
  • MMS port: 8080
  • MCC: 234
  • MNC: 30

How do I set up my APN settings on BT mobile?

We have given you the required steps for you to easily set up your APN settings on your phone;

On Android

Step 1. Go to ‘Settings’

Step 2. Choose ‘More’ and then ‘Mobile Networks’

Step 3. Select ‘Access Point Names’

Step 4. Click on ‘Menu’

Step 5. You can now fill in the APN settings for BT mobile

On iPhone

Step 1. Find your ‘Settings’ and select this

Step 2. Choose ‘Mobile Data’

Step 3. Click on ‘Mobile Data Network’

Step 4. Complete the APN settings given

Step 5. Save and exit

Your mobile data should now be connected and working without any issues.

BT Mobile Data Roaming not Working

Mobile Roaming Abroad

Mobile Data Roaming abroad

BT Mobile provides free-roaming in certain countries for their customers called ‘Roam Like Home.’

This allows your current data plan to stay in use without adding any extra charges on top.

If this is what you’re basing your next holiday destination on, you can check which locations are included in the ‘Roam Like Home’ feature;

Zone A:

  • Austria
  • Belgium
  • Bulgaria
  • Croatia
  • Cyprus
  • Czech Republic
  • Denmark
  • Estonia
  • Finland
  • France
  • Germany
  • Greece
  • Hungary
  • Ireland
  • Isle of Man
  • Italy
  • Latvia
  • Lithuania
  • Luxembourg
  • Malta
  • Monaco
  • Netherlands
  • Poland
  • Portugal (including Azores and Madeira)
  • Romania
  • Slovakia
  • Slovenia
  • Spain
  • Sweden
  • Vatican City

Zone B:

  • Canary Islands
  • French Guiana
  • Gibraltar
  • Guadeloupe
  • Guernsey
  • Iceland
  • Liechtenstein
  • Martinique
  • Mayotte
  • Norway
  • Reunion
  • Saint Barthelemy
  • Saint Martin
  • San Marino
  • Switzerland

Why is my BT Mobile Roaming not Working?

Your BT mobile roaming may not be working for a few different reasons;

  • You are in a country that does not work for BT roaming
  • APN settings are incorrect
  • Your mobile needs to restart
  • ‘Data Roaming’ is not on

You can log into your BT mobile account to check your activation settings are set correctly.

How to activate my BT Roaming Data

Your BT mobile SIM will be setup up straight away for mobile roaming. This gets activated when you have reached your new destination.

In the event that your BT mobile roaming was not activated automatically;

  • Reboot your mobile
  • Check for software updates
  • Connect manually to a network
  • Ensure your data roaming is on

Your mobile roaming should now be up and running.


If you are using BT Mobile as your primary network provider, you get the best of both worlds by using EE’s coverage as well as being able to make use of BT’s Wifi hotspots all around the UK.

We can’t always be connected to the Wifi, so when the time comes when you need your mobile data and it’s not working, it may seem like the end of the world.

If you are more of a ‘contact them directly’ type of person, you can contact BT mobile customer support number within their operating hours

  • From the UK – 0800 800 150
  • Outside the UK – +44 150 174 7714

BT Mobile operating hours;

  • Monday – Friday, 8am – 9pm
  • Weekends and Bank Holidays – 8am – 8pm

We hope this guide has supported you in fixing your BT mobile data not working and that you’ll be able to go back to enjoying your time browsing the internet and checking out your social media apps.