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How to Fix “Failed to connect to CDN server” in Warzone Mobile

Call of Duty Warzone Mobile is part of the Call of Duty franchise with the best Battle Royale experience.

It features Warzone vehicles, movement, gunplay, operators, weapons, maps, and more.

In the game, up to 120 players will battle each other to be the last one standing.

Players have social features like friends, chat channels, XP, weapon inventories, and more.

Warzone Mobile is developed specifically for mobile devices that feature mobile-specific events, content, and playlists.

In addition, there are in-depth customization options to support new players and professionals alike.

In this guide, you’ll learn how to fix “Failed to connect to CDN server” and “Please check your internet connection” in Warzone Mobile.

Why did Warzone Mobile fail to connect to a CDN server?

Warzone Mobile failed to connect to a CDN server because the servers are overloaded.

If that’s the case, you need to wait until the servers are less crowded.

It can also happen because you don’t have an active internet connection or your internet speed is too slow.

Other users reported that they encountered the error because they didn’t enable 2FA.

How to fix “Failed to connect to CDN server” in Warzone Mobile

To fix “Failed to connect to a CDN server” in Warzone Mobile, you need to connect to a VPN (e.g. Australia).

You can also try enabling two-factor authentication for your Activision account.

Fix 1: Connect to a VPN

  1. Install a free VPN like TunnelBear.
  2. Create a TunnelBear account.
  3. Verify your email address.
  4. Connect to a VPN (e.g. Australia).
  5. Force close Warzone Mobile, reopen it, and start playing!

Note: There’s a 500MB limit to TunneBear—if you’ve hit the limit, you can install other free VPN apps like VPN – Proxy Unlimited Shield, Turbo VPN, etc.

Fix 2: Enable two-factor authentication

  1. Go to https://www.activision.com/ and click on the “Login” button.
  2. Log in to your Activision account.
  3. Go to your profile and select “Privacy & Security”.
  4. Click on the “Enable two-factor authentication” button.
  5. Follow the on-screen instruction to enable 2FA.
  6. Open Warzone Mobile > Settings > Account > Log out > Continue.
  7. Close Warzone Mobile > Disconnect your VPN > Open Warzone Mobile > Log in.
  8. Enter your 2FA code and start playing!

Note: Enabling two-factor authentication requires you to verify your email address.

Further reading

How to Fix Stuck on Logging in to Activision in Warzone Mobile

How to Fix “Unable to connect to a data center” in Warzone Mobile

How to Fix “Your profile was signed out” in MW2 or Warzone 2.0


About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.