Is mobile phone MicroSD card expansion necessary

Only a few mobile phones released this year, such as the Sony Xperia 1 IV and Huawei Mate Xs 2, allow micro sd card expansion. I'm not sure when mobile phones started progressively losing the ability to support such expansion. Ordinary consumers can onl

There are many types of bulk memory card

There are many types of bulk memory card, with different application, size and speed. It can help expand the capacity of our digital devices, making our lives more convenient.

OTG Description

OTG can be used to connect various devices or mobile devices for data exchange. It has fast speed and has wide applications. The host and peripheral can swap during connection.

what’s NorFlash, NandFlash and eMMC ?

Flash memory is a sort of nonvolatile EEPROM (electrically erasable programmable read-only memory) that can be electrically wiped and erased and is used to store and transfer data between a computer (PC) and a digital device. There are two types of flash memory: NOR flash memory and NAND flash memory. MMC (multi media card) architecture is packed into a compact Ball Grid Array (BGA) IC package used in circuit boards and is more extensively utilized in portable devices because it is extremely suitable for storing a little quantity of code. NAND is an excellent choice for high-density data storage. The distinctions between the three types of flash memory are discussed in this tech note.

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