Skip to Content

Tmobile Error Code WAN002 [How to Fix]

Tmobile Error Code WAN002 [How to Fix]

Tmobile Error Code WAN002: This time, we have a mobile telecommunication company – T-Mobile. It is an American wireless network operator, offering a good range of services, mainly internet and similar plans — with affordable and better deals.

Additionally, the brand has been in the business since 1999 and offers its services in three countries, including the Czech Republic, Poland, and the US. From what we know, it has mostly received a positive response, and from the negative users, some are currently complaining about an error issue. 

Yes, the error named Tmobile Error Code WAN002 is currently not allowing users to use the services properly, mainly the Internet. However, if you are here to find a solution for it, then you are on the right page because the article below contains some helpful methods to solve the problem. 

What is the Tmobile Error Code WAN002?

According to what we heard from users, the Tmobile Error Code WAN002 error code seems to be appearing for those with a new T-Mobile modem. 

The network will work properly, but after 8 hours or so, you will lose all the connections to the Internet, and you will see the error code, irrespective of its location in the house.

As for the cause or solution for it, there’s no specific answer. Yet, we have managed to get a list of reasons that can cause this error to appear, and they are as follows:

  • Your router might be overheated.
  • You might have obtained a damaged or misplaced SIM card.
  • There might be some network connectivity issues.
  • The software might be outdated.
  • The Gateway device might be not placed properly.
  • Your area might not be supporting 5G yet. 

How to Fix: Tmobile Error Code WAN002

Factory Reset Your Modem

As soon as you encounter the error code, the very first thing suggested to try is to factory reset your modem. 

To do this, you have to unplug the modem from the wall and the unit, wait for some time (preferably 10 minutes), and plug it back in.

If this doesn’t work, then you can try opting for a hard reset. 

Check the Firmware on the Gateway Device 

In case you are using outdated software, then this method will help you to solve the problem.

To check if the software is outdated, you will have to connect to the Wi-Fi and open a web browser. Then, change the DNS on any client to, then test the client. If this doesn’t work, then it means your firmware is outdated.

To update the T-Mobile update, firmware page to get a proper guide on how you can update the firmware. 

Ensure the Router is not Overheated

Since it is a machine, it might get overheated at times, and this can cause error issues too. 

In this case, we suggest you try to keep it near a fan so that it can cool down. 

Otherwise, if you have a small fan that can be used to cool it down for some time, then that’s better, you can keep the fan around it, and unplugging and plugging it at the same time will just get you better results. 

Move the Gateway Device to a Different Location

If none of the methods above helped you so far, then, the best guess is that your gateway device is situated at an improper location.

So, all you need to do is move your gateway device to a different location, somewhere near the window, so that it can receive a better network and offer proper connectivity to you. 

Contact Tmobile Customer Care

The last option on the list is to contact the T-Mobile customer care team and ask them to reset your SIM card, which can be found on the router. 

For that, you can call them at 1-877-470-3619 between Monday to Friday, from 8 AM to 10 PM ET, or Saturday between 9 AM to 8 PM ET will work too. 

Frequently Asked Questions

What is the Tmobile gateway error code WAN002?

The T-Mobile getaway error code WAN002 appears specifically for those with a new T-Mobile router. The Internet will lose connection after working for 8 hours and it might be because your router is overheated, or your firmware is outdated.

How to fix the T-Mobile Wi-Fi error code WAN002

To fix the T-Mobile Wi-Fi error code WAN002, you will have to factory reset your modem, move the gateway device to a different and proper location, or try contacting support services and ask them to reset the SIM card.