What is the SD card on the phone? What is the SD card for?

An SD card is a card with a storage function. The purpose is to expand your smartphone's memory. You can also use SD card for data transfer between mobile phones and computers.

The SD card on the mobile phone is a miniSD card, also known as a TF card, the area is 1 4 of the standard SD card, which is used to store your private information or more**such as**, photos, etc., but it does not mean that you add a TF card The mobile phone runs much faster!

Congratulations, your phone supports Expansion Storage!

Generally, it is one yuan per trillion, for example, a 256m one generally costs about 240 yuan.

SD cards and MMC cards have been widely used recently, their small size, large capacity (now there are 1GB SD cards and 512MB MMC cards on the market), the speed is not slow, so many digital cameras, mobile phones, PDA, Walkmans, etc. use SD cards and MMC cards, although because of the recent shortage, SD cards **have**, but in general, the current SD cards and MMC cards are still very cheap.

In short, an SD card is what it stores.

Mobile phone memory card, different brands of mobile phone manufacturers in the mobile phone production process is different, the hardware facilities are also very different, such as the mobile phone memory card slot size specifications. As a result, memory card manufacturers have produced mobile phone memory cards of different sizes and specifications to match the use of mobile phones with memory card slots of different sizes. Name these memory cards (e.g. TF card, MMC card) to distinguish these memory cards from different sizes.

SD card is often referred to as a memory card.

SD memory 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 (PDA) and multi-loggers due to its excellent characteristics such as small size, fast data transfer speed and hot-swappable ability.

The function of the SD card is to expand the storage capacity of the mobile phone, store data files, software games, etc., and choose the size according to the actual situation of your mobile phone.

SD card is another card on the phone to expand the memory, generally from 2G, 4G, 8G to 16G and other different sizes, which can allow you to store more**, **, **, etc.

The mobile phone memory is what the mobile phone itself can store, and the general memory is relatively small, no more than 1G.

1. MMC card

MMC memory card is mainly for digital imaging, mobile phones, PDA, e-books, toys and other products storage space, it is currently the world's smallest memory card, with compatibility and flexibility, is a low-cost data platform and communication medium. 2. SD card.

2. SD card.

SD memory card is a multi-functional memory card, with large capacity, high performance, security and other characteristics, mainly used in Panasonic, Canon, Sharp, Kodak, Minolta, Casio and other digital cameras, fast read and write speed.

3. MiniSD card

Mini-SD card is mainly used on digital cameras, is developed on the basis of flash memory cards, it is also a smaller memory card more suitable for small mobile phones, good compatibility, the size is also very exquisite.

4. MS card

The MS card, also known as the memory stick, is a Sony product, it is 50mm x x size, while weighing only 4 grams, and its current capacity is between 256MB and 1GB, which can be adapted to record continuous dynamic images.

5. TF card

TF card is also T-flash card, like MINISD card is developed with reference to the relevant standards of T-flash, these two cards are compatible, TF card is more compact, only about a quarter of SD card, is the smallest memory card on the market.

6. MMC Plus card

The MMC Plus card is the same size as the MMC card, but it has faster read speeds and can meet the needs of digital image storage and other data-intensive applications, such as high-end digital cameras, digital camcorders, etc.