Digging for treasures and binding mobile phone text messages are unacceptable.

There may be network problems, delayed reception, etc.

There may be something wrong with the mobile phone, depending on whether the mobile phone is down or there is no signal;

There may be a problem with the SMS system of the platform. If yes, please contact the customer service of the corresponding platform to solve it.

It may also be the phone number, and some SMS systems can't send all mobile phones! If circumstances permit, try changing your mobile phone number! Generally, this situation is relatively rare.