What does in55w mean?

In55w is a short message code. "I'm n 55! w！” It means "I miss you! (I miss you). " I'm in room 55! w！ If you need to look backwards, it will become "I miss you!" "I miss you, or I love you.

Text message:

Short Message Service (SMS for short) refers to the text or digital information directly sent or received by users through mobile phones or other telecommunication terminals. The number of characters that users can send and receive SMS at a time is 160 English or numeric characters or 70 Chinese characters. On April 8, 2020, China Telecom, China Mobile and China Unicom jointly issued the White Paper on 5G SMS, which made the basic SMS service in China enter a comprehensive upgrade channel, and the traditional SMS will be gradually replaced by 5G SMS (RCS service).