Why can't the mobile phone receive the short message, saying that the memory is full and the short message has been deleted?

The default storage location of SMS is the location attached to the mobile phone. Reset the storage location and change it to a memory card.

First, mobile phone memory is also called running memory, British name RAM. It is equivalent to the memory of a computer, and it is the running space of all software including the system. When the prompt is insufficient, you can stop some running software.

Second, mobile phone storage is called ROM, which is equivalent to the computer's hard disk. It is the storage that comes with the mobile phone, and the mobile phone operating system exists here. Hide, you can also store software. More than 20 megabytes must be set aside as a cache.

Third, mobile phone memory cards are called TF and SD cards, which are equivalent to mobile hard disks. It has a lot of space, but it runs slower than mobile phone storage. More than 20 megabytes must be set aside as a cache.