iOS: Your account will be automatically recover if you sync your account with Apple's Game Center.  After reinstall Omega Force, the system will prompt you for recovering your old progress.  If you have not synced your account with the Game Center, you will need to contact us to recover your account.
Android: Your account will be automatically recover if you sync your account with Google Play account.  After reinstall Omega Force, the system will prompt you for recovering your old progress.  If you have not synced your account with Google Play account, you will need to contact us to recover your account.