Why can't OPPO receive SMS?

1. Mobile phone is in arrears. When the phone is in arrears, you can't send SMS, but you can receive SMS. So we can check the phone bill through the customer service phone.

2. The mobile phone card was cut. At present, most mobile phones support mini cards. It is possible that the mobile phone card was cut when cutting the card. If this is the reason, you can go to the business hall to reissue it.

3. The mobile phone is out of memory. Due to the limited memory of the mobile phone, the received SMS cannot be saved. At this time, it is necessary to clean up the data of the mobile phone and clean it up in the mobile phone housekeeper.

4, mobile phone system failure, because the mobile phone system failure, resulting in the inability to send and receive text messages, then you need to reinstall the mobile phone system.

5, security software interception, mobile phone security software may intercept short messages, you can set security software.

SMS is a part of unified communication service plan. Users send or receive text or digital information directly through mobile phones or other telecommunication terminals. The number of characters that users can send and receive short messages at a time is 160 English, numeric characters or 70 Chinese characters.

Short message is a telecommunication service in digital mobile communication system. It is a non-real-time and non-voice data communication service to transmit text or digital short messages through the signaling channel and signaling network of mobile communication system.

In the technical means to realize the function of short message service, sending and receiving point-to-point messages through mobile terminals occupies the mainstream position, but it is not the only form. Fixed telephone, PHS and Internet are becoming new tools and carriers.