How to Fix System Error 5151 in Honkai Star Rail

Honkai Star Rail is an action-packed mobile game that has captured the hearts of gamers around the world with its engaging gameplay and stunning visuals. However, like any complex mobile game, players may encounter various technical issues from time to time.

One such issue is “System Error 5151,” which can disrupt the gaming experience. In this guide, we will delve into the causes of System Error 5151 in Honkai Star Rail and provide step-by-step solutions to fix it.

Understanding System Error 5151

System Error 5151 is an error code that players may encounter while playing Honkai Star Rail. This error typically indicates a problem with the game’s connectivity or server communication. When System Error 5151 occurs, players may experience disconnections, game crashes, or difficulty accessing certain features within the game.

Jarvis Medium wrote that it’s essential to address this error promptly to ensure a smooth and enjoyable gaming experience in Honkai Star Rail.

Steps to Fix System Error 5151 in Honkai Star Rail

To resolve System Error 5151 in Honkai Star Rail, follow these troubleshooting steps:

1. Check Your Internet Connection:

  • A weak or unstable internet connection is a common cause of System Error 5151. Ensure that your mobile device is connected to a stable Wi-Fi network or has a strong cellular signal. If you are on Wi-Fi, consider restarting your router or modem to improve connectivity.

2. Restart the Game:

  • Sometimes, System Error 5151 may occur due to a temporary glitch. Close the Honkai Star Rail app completely and then relaunch it to see if the issue is resolved.

3. Check for Server Status:

  • Honkai Star Rail occasionally undergoes maintenance or experiences server issues. Check the official social media channels, website, or in-game announcements for information on server status and maintenance schedules. If the servers are down for maintenance, you may need to wait until they are back online.

4. Update the Game:

  • Ensure that you have the latest version of Honkai Star Rail installed on your mobile device. Developers often release updates to address bugs and improve stability. Visit your device’s app store (Google Play Store for Android or App Store for iOS) and check for any available updates for the game. Install the update if one is available.

5. Clear Cache and Data (Android Only):

  • If you are using an Android device, you can try clearing the cache and data for Honkai Star Rail. Here’s how:
    • Go to your device’s “Settings.”
    • Scroll down and select “Apps” or “Application Manager.”
    • Find and tap on “Honkai Star Rail.”
    • Select “Storage.”
    • Tap “Clear Cache” and “Clear Data.”
    • Restart the game and see if the error persists.

6. Check for Background Apps:

  • Background apps or processes on your device can sometimes interfere with the game’s performance and connectivity. Close any unnecessary apps running in the background to free up system resources for Honkai Star Rail.

7. Disable VPN or Proxy:

  • If you are using a VPN or proxy on your mobile device, it may affect the game’s connection to the server. Disable the VPN or proxy and try playing the game without it to see if the error is resolved.

8. Contact Customer Support:

  • If none of the above steps resolve System Error 5151 and you continue to experience connectivity issues, consider reaching out to Honkai Star Rail’s customer support. They can provide further assistance and investigate the issue on their end. In the game, look for a “Contact Us” or “Support” option in the settings or menu to submit a support ticket.

9. Monitor Official Channels:

  • Keep an eye on Honkai Star Rail’s official social media channels and community forums for updates and announcements regarding known issues and potential fixes. Other players may share their experiences and solutions as well.

10. Reinstall the Game:

As a last resort, if all else fails, you can uninstall Honkai Star Rail from your mobile device and then reinstall it. This can help resolve any corrupted game files that might be causing the error. Remember to back up your game progress if the game offers a cloud save feature.


System Error 5151 in Honkai Star Rail can be frustrating, but with the steps outlined in this guide, you can work towards resolving the issue and getting back to enjoying the game. Remember to check your internet connection, keep the game and device software updated, and contact customer support if needed. By following these steps and staying informed about the game’s status, you can minimize disruptions and continue your adventures in Honkai Star Rail.

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