S refers to the Samsung brand on the mobile phone. Samsung Electronics is one of the largest multinational companies in Korea. Its mobile phones, televisions, refrigerators and other products sell well all over the world and are widely loved by users. The names of many Samsung mobile phone models begin with the letter S, such as Samsung Galaxy S20, S2 1, S2 1+ and so on. These models represent Samsung's latest flagship products and have a good reputation among users.

S also has other meaning in the mobile phone. S can mean "speed", "slimming" and "market share". For example, "speed" refers to speed, which means that the mobile phone has high configuration and smooth movement; "Slim" refers to slimming, that is, the mobile phone is slim and light; "Sales volume" refers to market share, which means that the mobile phone has achieved a high sales volume in the market.

In addition, S is also common in communication tools such as SMS and social software, which generally refers to the homophonic abbreviation of "I'm sorry". For example, if the other party sends a message and can't reply immediately for some reason, you can reply an "S" at this time, indicating that you are busy or can't reply immediately, expressing your apologies.