: Turn on airplane mode for 10 seconds, then turn it off and reconnect to your network before relaunching the game.

Before diving into complex settings, try these quick network adjustments verified by the community to bypass server handshake issues:

In SimCity BuildIt , (often misidentified as 11007) is a technical barrier that prevents Mayors from downloading additional content or loading their cities. This error typically occurs when the game attempts to fetch assets for new features—like Club Wars or Regional expansions —but fails to establish a secure handshake with Electronic Arts (EA) servers.

: If you are on Wi-Fi, try switching to mobile data, or vice versa.

: Some players have bypassed regional server blocks or download stalls by using a VPN to change their virtual location before launching. Device Optimization for Android & iOS

: Turn off your internet entirely and start the game in offline mode. Once the game loads, minimize it, turn your internet back on, and return to the app to force a reconnection.