Reason 1: Busy SMS channel: wait a moment and refresh the SMS.
Reason 2: Bad mobile phone signal or the SMS is rejected by the mobile phone firewall. Please follow the steps below.
- Please confirm the signal condition of the mobile phone. If the signal is unstable, please try again in places with good signal.
- Please modify your phone’s firewall, blacklist and other functions.
- Please check your spam box.
- Please restart your phone and try again.