1, the most important thing is the network delay. It is recommended to wait for a few hours. If you haven't received it for a long time, try sending it again.
2. There is also a network failure of the mobile phone number operator. It is recommended to consult the customer service of the mobile phone number operator. Mobile: 10086, Unicom: 100 10, PHS /CDMA: 10000, Netcom PHS:100/0.
3. Source: Tencent Customer Service Website Edition.