If you have bound SMS auth., or you are in the Global SMS Geo. coverage, please take the following steps: Ensure the Cellphone has good signal, otherwise, please re-position to a better spot. Close Anti-virus software and/or firewall apps on your cellphone; Restart your cell phone. If you still cannot receive SMS code, please reply to the support ticket with your cellphone number, machine type, ios/Android version, and your location. Binance will respond to you as soon as possible.