Redmi K3S can't see intercepting SMS.

first, open the settings in the mobile phone, click Application Settings, click System Application Settings, click SMS, and check Show Blocked SMS.

Short Message Service (SMS for short) refers to text or digital information sent or received directly by users through mobile phones or other telecommunication terminals. The number of characters that users can receive and send short messages at a time is 16 English or digital characters or 7 Chinese characters.

On April 8, 22, China Telecom, China Mobile and China Unicom jointly released the White Paper on 5G Message, which made the basic SMS service in China enter a comprehensive upgrade channel, and the traditional SMS will be gradually replaced by 5G message (RCS service).