What's the matter that Apple 13 mobile phone automatically opens as soon as it opens the SMS browser?

Maybe there is a plug-in in the text message.

Some short messages have unknown links, which will lead to browser operation after opening.

Link SMS, also known as service information or push information, is a special format SMS, which is received free of charge. Links, like the Internet, are a rich network. It often takes a long time for users to find their favorite sites and find their favorite businesses in a site. Link SMS can send the link of a site or a business to a mobile phone that supports the function of link SMS through SMS, so you only need to read this short message (service information) and open the link in the short message to directly access the business.