Something that worked for me was simply unplugging my ethernet cable and connecting to wifi.

Update: I was able to resolve this by updating to google DNS and ipv6 servers for my router, which now enables mobile client to update.

Having trouble to connect as well, must uninstall and reinstall the client constantly to be able to play the game, but as soon as you close the game, you won't be able to connect again unless you go through entire process again... Please WOTC do something to help your customers

Having trouble with the game. Goes through with entire process the get s here and stops.

I have not been able to log in for several days due to this. My internet connection is fine, everything else is fine, just MTG Arena won't work.

I've been having the same issue for the last 2 days, support hasn't answered my ticket. Please restore out data files!

This has just started happening to me (same on 2 different computers). The problems did not follow an update, it was working fine last week and now I can no longer access my account, have tried all the steps people have mentioned below and elsewhere online.

Edit: A fresh re-install worked on 1 computer (Windows 10), tried the laptop (Windows 11) in the morning and now neither will connect again.

Cannot get pass loading screen

Impossible to connect to game

i made checkup of files, reinstall , - i got same problem . impossible to connect. help pls

Suddenly unable to connect, despite fresh install, changed internet protocols, changed device name, still nothing. Please fix this!

Getting this error. Tried renaming PC, disabling IPv6, and changing my IP address as others (here or on Reddit) have suggested, but it's still not working.

Running into this issue now after having had no problems intitially with OTJ Alchemy

exactly the same problem, but after do all these, all is alright :)

Fermez le client MTG Arena
Ouvrez une invite de commande Windows (cmd.exe) en tant qu'administrateur
Saisissez ipconfig /flushdns et appuyez sur Entrée
Saisissez ipconfig /registerdns et appuyez sur Entrée
Saisissez ipconfig /release et appuyez sur Entrée
Saisissez ipconfig /renew et appuyez sur Entrée
Saisissez netsh winsock reset et appuyez sur Entrée
Redémarrez votre ordinateur et lancez le client MTG Arena

same after recent thunder junction update 2024.24.37.0.5379 (5739.1066268)

WEll, i'm kinda relieved that i'm not the only one having this issu.

I'm not sure when it started for me , but i was playing it on pc since 2020-22(steam, or epic .. not sure)
But there is something with this companion app also, linked to this mtg arena profil before all these updates, which i needed to get access with a key gen or something..
Since i stopped playing i would say end 2022, i buy i new pc new phone, after 1 year not playing or even touching the apps on my pc /iphone, i had no clue about those changes .. so i just normally decided check iit out if my profile still activated. On my new phone, it worked perfectly. So all good i jump on my pc and try, ... Nothing (watch .png).. My only choice here is the "RETRY " button.. So far so good i made all different steps mention before , so i conclude aswell i was locked out from my own account, not even able to logout or try with Another account on PC (ONLY) . SO i don't get it, WotC let me get access to your client server so that i can login again. If i have to verify my id that my account is from myself, i'll we do. but letting the people just behind like that is absurd . i guess we have to be patient until a new client update asset whatever is avaible to download... no respond aswell from TechSupport, only Ai responses.. i've got tired of the same emails in my mailbox.
on my phone is working fine (but screen is to small)

I have the same problema in my iPad and also on an Android phone

Same error, Mac client. Uninstalled, reinstalled, issue persists. Issue began 3/29/24; was playing yesterday and everything worked as expected.

Was able to login and play on iPad (iOS version) without issue.

My android tablet started to show this error on last update (Mar 26th). My android phone do not show this error. Sometimes it starts to work when I restart the device and sometimes not. I tried cleaning cache and reinstalling.

got this problem after the Mar 14 update

Same issue for me. Changing my device name on Windows fixes it but I have to do it once a day. Mac has same issue but can't figure out how to get it working.