What does it mean that Apple's SMS has an exclamation point?

Take apple 1 1 as an example. The short message has an exclamation point, which means that the short message was not sent successfully and failed to be sent. You need to click the red exclamation mark and send it again.

Iphone 1 1 is a mobile phone released by Apple, which was released on 20 1 1 and 201in September. Iphone 1 1 is designed with anodized aluminum and glass, equipped with A 13 bionic chip, and the super wide-angle camera supports 2x optical zoom. The body of iPhone 1 1 is still the same, but the Apple LOGO has moved down to the middle of the body, which looks much more harmonious.

This time, iPhone 1 1 has added green and purple while retaining the four colors of black, white, red and yellow. A * * * offers six color schemes to choose from. As Apple's regular flagship, the overall strength of iPhone 1 1 is still quite excellent. Although the appearance is still wide and the screen ratio is quite satisfactory, thanks to the blessing of Apple's A 13 processor and closed IOS system, it is the top level in performance and fluency.

Apple is a high-tech company in the United States, founded by Steve? Jobs and Steve? Wozniak and Luo? Wayne et al. was founded in April 1976, and was named Apple Computer Company of America. 20071October 9 was renamed as Apple, headquartered in Cupertino, California, USA, and went public on February 1980+ 12. Its main business includes designing, developing and selling consumer electronic products, computer software, online services and personal computers.