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Mobile phone memory is factory pre-installed memory, of which RAM is called running memory, ROM, divided into three parts: 1, system storage (storage mobile phone operating system and apk); 2. Application storage (storage of user-installed programs); Body storage (stores files that users don't need to install, such as movies, songs, etc.). SD is when users feel that the memory of the mobile phone is small and buy a memory card and insert it into the mobile phone to store more things.
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Mobile phone memory mostly refers to running memory, the larger the running memory, the smoother the application will be, and the body memory is the same as the SD card, which is used to store data.
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The memory of the mobile phone belongs to the computing and running of various software, and the other two are hard disks that store all kinds of files.
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There is only a relationship between the two, the memory in your hand and the SD card are also the memory card.
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It's like a computer, a memory module, a hard drive, and a portable hard drive!
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Mobile phone memory refers to the running memory of the mobile phone, that is, RAM. It is the space that the phone uses for software to run, which is equivalent to the memory module of the computer.
The body memory is the storage space that comes with the mobile phone, that is, the ROM, which is the space used by the mobile phone to store data, which is equivalent to the hard disk of the computer.
SD card generally refers to the microSD card used for the expansion space of the mobile phone, that is, the TF card. It is an external expansion device for mobile phones, which is equivalent to external storage space such as a USB flash drive of a computer.
In computer terminology, RAM belongs to random memory, also called internal memory, referred to as memory, mobile phones and other mobile terminals are the same as personal computers, but also belong to computers, for memory, the name and concept should be the same, all belong to RAM.
While"Built-in storage space (ROM)."In a narrow sense, it refers to the storage space built into mobile terminals such as mobile phones and tablets, which is used to store documents or various documents, and often uses built-in SD cards and MMC cards.
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Running memory is to temporarily store temporary files when the phone is running.
The memory of the fuselage is where files are stored.
The SD card is the same as the internal memory of the body. It's just that the body memory comes with the phone (non-replaceable), and the SD card is externally inserted (it can be replaced).
Relationship: Running memory is like the memory of the computer, the body memory is like the hard disk of the computer, and the SD card is like the mobile hard disk of the computer.
SD card (Secure Digital Memory Card), Chinese translated as Secure Digital Card, is a new generation of memory devices based on semiconductor flash memory, which is widely used in portable devices such as digital cameras, personal digital assistants (PDAs) and multi-loggers. The SD card was jointly developed by Panasonic, Toshiba and SanDisk in August 1999. The size of a postage stamp, the SD memory card weighs only 2 grams, but it has a high memory capacity, fast data transfer rates, great mobility and great security. >>>More
There are two main ways to recover memory card data:
1. Restore from a backup >>>More
Why don't you just let the master fix it?
D607 supports T flash card expansion, the maximum capacity can be expanded to 1GB It is not an SD card E398 is the same card, D607 battery capacity is only 500MA It is not recommended to buy E398 has 850MA Some machines use MMC cards If it is a Sony love machine There are also M2 cards , there are many types.
You've got a good phone. RAM is usually the memory that the computer says, it can save data when it is powered on, and the transfer speed is much faster than that of a hard disk, generally the larger the better. ROM is read-only memory,It is to save some data,It can be saved in the power off,It's equivalent to a hard disk,But it's still a lot different,Mobile phone ROM is just a mobile phone system file saved in it。 >>>More