T-Mobile Mobile Data Not Working (List Of Potential Fixes + FAQs)

Do you have T-Mobile but have just realized there is an issue with your mobile data not working? Do you want to know how to potentially fix T-Mobile mobile data not working?

If so, continue reading as I have been researching this topic and have discovered several potential fixes for this common problem!

Why Isn’t My T-Mobile Data Working?

Ways you can fix T-Mobile mobile data not working include removing your SIM card and reinserting it into your device, moving to another location if you’re inside of a building, checking to make sure you’re inside of the T-Mobile coverage area, and restarting your device. Also, make sure you’re not automatically connecting to WiFi could help resolve the issue.

Do you want to know the full list of ways you can fix T-Mobile mobile data not working? Well, I have an entire list of potential fixes below so keep reading to find out all about them!

1. Remove & Reinsert Your SIM Card

If you’ve noticed T-Mobile mobile data not working, one way to potentially fix the issue is to remove and reinsert your SIM card since a loose connection could be the issue.

However, turn your phone off before you remove your SIM card and make sure you carefully remove and insert the SIM card, lining up the gold connectors to one another.

2. Move to Another Location

If your T-Mobile mobile data is not working, then you can try to move to another location since being inside specific buildings, including metal, can interfere with the signal.

Therefore, try to go outside if you’re inside of a building or move from the basement to the main floor if you’re at home to see if it strengthens your signal.

For example, if you have less than two signal bars, your signal may not be good enough for data, so moving to another location can improve your signal and give you the reliability you need.

3. Check Your Coverage Area

If the mobile data isn’t working on your T-Mobile phone, it could be because you’re outside the T-Mobile coverage area or the signal is too weak to give you a reliable connection.

Also, you can look online at the T-Mobile coverage map to make sure that you’re within the coverage zone and to see what type of coverage you’re getting in that location.

4. Restart Your Device

A common fix to many tech issues is to restart your device, so if your T-Mobile mobile data is not working, then restart your device to see if it’ll connect once rebooted.

5. Turn Wi-Fi Off

A lot of people have Wi-Fi setup to automatically connect when within range, which could be why you’ve noticed T-Mobile mobile data not working, since you’re connected to Wi-Fi instead.

Therefore, turn your Wi-Fi off and try to reconnect to the T-Mobile data network and make sure that it’s not set up to automatically connect to the Wi-Fi network.

6. Toggle Airplane Mode on and Back Off

6. Toggle Airplane Mode on and Back Off T-mobile

Toggling Airplane Mode on and back off can resolve issues with T-Mobile mobile data not working, and helps reset the network connection.

However, when you toggle Airplane Mode on and off, wait 15 seconds in between turning it on and off, and repeat this process at least three times.

7. Clear App Cache on Your Browser

The issue could be with your browser, and clear out the app cache and data for your browser to see if that fixes your problem.

Also, it’s easy to clear your app cache by going into “Settings” and then “Apps” and looking for your browser, and clicking on “Clear App Cache” from within the browser settings.

8. Turn Your Mobile Data Off & on a Few Times

An easy fix that you can try would be to turn your mobile data on and off a few times to see if that helps clear issues.

Furthermore, there could be an issue where the connection is being disrupted, so turning it on and back off can clear those issues and possible interferences hindering the data connection.

9. Check Down Detector for an Outage

If your data isn’t working, the issue could be with the T-Mobile network, so you can check Down Detector to see if an outage is occurring in your area.

For example, T-Mobile may be having server issues, hardware or software failures, or other disruptions in service, which could prevent you from using your data.

That being said, when an outage occurs with T-Mobile, there is no way to fix the problem, as it’s an issue T-Mobile needs to fix on its end.

10. Turn Off Your VPN

If you’re running behind a VPN, you can try to disable it or turn it off to see if that fixes the issue.

11. Reset Your Network Settings

Resetting your network settings can solve problems with your T-Mobile mobile data. However, the steps to reset your network settings can vary by device.

Furthermore, you will need to go into your “Settings” and look for “Network Settings” where there should be a reset option, although it could be under a subheading.

12. Install the Carrier Settings Update

You may need to install the newest carrier settings update if you don’t have it automatically updated on your device, since carrier settings help you connect to the T-Mobile network.

To update the carrier settings, follow the steps below:

  1. Go into your phone “Settings”
  2. Select “General”
  3. Click on “About”
  4. Select “Carrier Settings Update”
  5. Install any update that shows up as available

Why Isn’t My T-Mobile Data Working?

Your T-Mobile data might not be working because you need to clear out the app cache and data for your browser, you’re outside the coverage area, or you’ve exceeded data limits.

To know more, you can also read our posts on why isn’t T-Mobile’s LTE working, how does T-Mobile prepaid work, and is the T-Mobile hotspot free.


If your T-Mobile mobile data isn’t working, you should try to restart your device, remove and reinsert your SIM card, turn your VPN off, and ensure you have Wi-Fi turned off.

Furthermore, you can try to update the carrier settings, checking that you’re within the coverage area, and making sure a building you’re in isn’t causing interference. In addition, try moving to another location, checking for a T-Mobile outage, and toggling Airplane mode on and off.

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Florence Howard

Florence Howard has been freelance writing for over a decade, and has a vocational background in retail, tech, and marketing. Outside of work, she enjoys listening to rock and metal, and playing with her dog and cat.

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