Most drives can be attached to keychains or lanyards. For example, write protection makes a device suitable for repairing virus -contaminated host computers without the risk of infecting a USB flash drive itself. Hardware designers later developed EEPROMs with the erasure region broken up into smaller “fields” that could be erased individually without affecting the others. Flash memory and USB. Tutorial If you come across problems updating your software, more help can be found at the link above. Drives typically use the USB mass storage device class to communicate with the host. Flash drives may present a significant security challenge for some organizations.

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Like flash drives, hard disks also suffer from file fragmentationwhich can reduce access speed.

USB flash drives have been integrated into other commonly carried items, such as watches, pens, and even the Swiss Army Knife ; others have been fitted with novelty cases such as toy cars or Lego bricks. These flash drives retain their memory after being submerged in water, and even through a machine wash. Before beginning a software update, check that your phone has enough free memory.

USB flash drive

Usually, such drives will be custom-stamped with a company’s logoas a form of advertising. You can then delete the files fash your phone.

Germant3n Specially manufactured flash drives are available that have a tough rubber or metal casing designed to be waterproof and virtually “unbreakable”. Because the USB port connectors on a computer housing are often closely spaced, plugging a flash drive into a USB port may block an adjacent port.


Most USB-based flash technology integrates a printed circuit board with a metal tip, which is simply soldered on.

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Archived from the original PDF on 22 March Such warranties should make the device more attractive for more applications. Some hard drives support alternative and faster interfaces than USB 2. Pua Khein-Seng from Malaysia has been credited with this invention. Data stored on flash drives is impervious to mechanical shock, magnetic fields, scratches and dust.

Archived from the original PDF on Their small size and ease of use allows unsupervised visitors or employees to store and smuggle out confidential data with little chance of detection. Pretec introduced a similar card, which also plugs into any USB port, but is just one quarter the thickness of the Lexar model. These properties make them suitable for transporting data from place to place and keeping the data readily at hand.

Most drives can be attached to keychains or lanyards. Particularly with the advent of USB, external hard disks have become widely available and inexpensive. For the fictional propulsion system, see Jump drive. In the arcade game In the Groove and more commonly In The Groove 2flash drives are used to transfer high scores, screenshotsdance edits, and combos throughout sessions. Archived from the original on March 5, Flash drive capacities on the market increase continually.

The most common use of flash drives is to transport and store personal files, such as documents, pictures and videos. Third generation USB flash drives were announced in late and became available in Other applications requiring storage, such as digital voice or sound recordingcan also be combined with flash drive functionality.


Floppy disks may be the method of choice for transferring data to and from very old computers without USB or booting from floppy disks, and so they are sometimes used to change the firmware on, for example, BIOS chips. Flash k770ii also have disadvantages. Desired mode of operation either regular USB mass storage device or of floppy drive emulation is made selectable by a sliding switch on the device’s housing.

Unreliable citations may be challenged or deleted. Flash drives with American movies and television shows were smuggled into North Korea by the Human Rights Foundation to spread pro-Western sentiment there in While use of flash drives is common, the drive must be Linux compatible.

A lesser setback for flash drives is that they have only one tenth the capacity of hard drives manufactured around their time of distribution. Such devices may carry the USB logo only if sold with a separate extension cable.