
| a) | Uninstall old version, re-download from Google Play. |
| b) | Download the APK with your PC, then install the APK to your mobile device. |
| c) | Remove your external storage (SD card), re-install the game. |
| a) | Make sure your device is not jailbroken |
| b) | Switch another network connection, restart mobile devices |
| c) | Switch another Apple ID account |
| d) | Re-download and install the game |
| a) | Switch another network connection |
| b) | Restart mobile devices |
| c) | Re-download and install the game |