It is T-Mobile issue. Since the new update I have the same problem. I am going to contact them.

Take a look at this Reddit thread on the topic. Some have had success changing to a VPN like IPVanish.

https://www.reddit.com/r/tmobileisp/comments/y5rzh5/trouble_getting_to_world_of_tanks_server/

Good luck!

copz1998, I don’t think I know how to change to a vpn. I am assuming you have to pay to get that service with another company??

Ed

There's a few free VPN’s one being Proton. I've never personally used one I've just read about them on various posts.

thanks gramps28

A person named Leo Mayer on the World of Tanks community sent me this message on the WOT Community page to fix my connection to WOT. I tried it and the game is working now. I do not know if this is a long term solution or what other issues it may create so if anyone knows if this fix is going to cause a problem then please comment below.

To solve the issue, please try to disable the IPv6 protocol in your network connection:

• press WIN-R key combination;
• in the Open field, type or copy ncpa.cpl and press Enter key;
• click the right mouse button on your active network connection (wireless) in the window opened and select Properties;
• unpin the Internet Protocol Version 6 (TCP/IPv6) item in the Properties window;
• run the game and check it for the issue.

Please inform us of the result.

The Leo Mayer fix worked for me.  I was unable to login to WOT for over 2 weeks.  Unpinned the Internet protocol Version 6 and it worked.  Thanks.

This solved all my problems with connectivity problems twice!!!! Thanks I wish I was savvy enough to post this on Redit

originally this worked for months…. almost a year. now suddenly world of tanks is disconnecting me several times per battle and TeamSpeak as well….   I can however stream and brose with no interruption.