Sending a short message to a person is too long, and the short message automatically becomes a multimedia message.

There is something wrong with some mobile phone settings. If the short message is too long, it will automatically become a multimedia message.

First, the reason why SMS automatically becomes MMS:

1, because there are too many words.

The maximum number of short messages in most mobile phones is 268 or 270, or the content of short messages has attachments and is sent in the form of files.

2, mobile phone MMS, multimedia messaging service, referred to as MMS, which means multimedia messaging service.

Different from SMS, it supports multimedia functions and can transmit letters in various multimedia formats, including words, images, sounds and data. MMS can transmit information in various multimedia formats, including text, image, sound, text, animation and so on.

3, high arrival rate, strong timeliness, reading rate 100%.

After the successful sending of MMS advertisements, users will browse in their spare time even if they don't have time to watch them at that time, which is incomparable in timeliness compared with TV advertisements and numerous newspaper advertisements. At the same time, users who make exquisite MMS advertisements will save them and even forward them to relevant relatives and friends in need for reference, which can play a long-term social benefit.

Second, Xiaomi's mobile phone settings prohibit SMS from being converted into MMS:

1. Find the settings on the phone desktop and open the settings.

2. Find additional functions.

3. Open the MI toolbox.

4. Find the application.

5. Open and allow long messages.

6, restart the phone, you can see that the setting is successful.