Simcity Buildit 1100.7 Error Jun 2026

Remember: EA designed SimCity BuildIt as a "live service" game. Errors like 1100.7 are usually the result of your phone and the server losing sync during a save operation. By following the authentication refresh steps above, you effectively re-introduce your device to the server.

Happy building, Mayor! 🏙️

Toggle Airplane Mode ON , wait 10 seconds, and turn it OFF . Reconnect to your Wi-Fi or mobile data before relaunching the game. Simcity Buildit 1100.7 Error

The SimCity BuildIt Error 1100.7 is terrifying but rarely fatal. It is a security wall put up by the server to protect your city's data integrity. In 95% of cases, the problem is your local network or a temporary EA server overload. Remember: EA designed SimCity BuildIt as a "live