Are you getting authentication error code 103-011-05400 while trying to play Pokemon TCG? Let’s learn how to fix Pokemon Error Code 103-011-05400.

What Causes Pokemon Authentication Error 103-011-05400?
There are three main reasons for getting the authentication error code 103-011-05400:
- Server Downtime
- Location and Network Mismatch
- Time Synchronization Issues
Understanding these causes can help pinpoint the right solution.
Solutions to Fix Error 103-011-05400

Check Server Status
Occasionally, server maintenance or outages can cause authentication errors. To check server status:
- Visit the Nintendo Server Status page for updates.
- Check social media or forums like the Pokemon Community Forum for announcements.
If servers are down, you must wait until the issue is resolved.
Disable VPN
Using a VPN can sometimes interfere with authentication by masking your location. Disabling your VPN and ensuring your device’s time settings are correct can resolve the issue.
Adjust Device Time Settings
Incorrect time settings can cause authentication errors due to mismatches with server timestamps. Follow these steps:
- Go to your device’s Settings > Date & Time.
- Enable the option to set the time automatically.
- Restart the app and attempt to log in again.
Conclusion
The Pokemon Authentication Error Code 103-011-05400 is frustrating but solvable with the right approach. By following the steps outlined above, you can troubleshoot and fix the issue efficiently. We also suggest contacting official support can provide additional assistance.
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