In a nutshell, it is an essential tool or accessory that lets a mobile phone read a nano or micro-SIM card that does not come in the micro or standard size. Now let’s dive into the main topic, the SIM card adapter. That is why adapters that make SIM cards versatile in terms of size are must-have mobile accessories.Īlso Read: International SIM Cards: Your Best Options When Travelling You will still find the micro and standard dimensions important if you want to keep your old mobile phone working or want to transfer contacts to and from different devices. This does not mean only the nano-SIM card is needed nowadays. Manufacturers have to pack more functionality into the gadgets, and this usually comes at the cost of a reduction in SIM card sizes. There are different SIM card sizes available today because modern mobile phones are made thinner than their predecessors. Step 5: check files to recover when scan is completed.Standard size but can be popped out into micro or nano version Step 3: select the inserted SD card to scan. Only when the SD card is properly inserted into card reader and the card reader USB interface is properly connected to computer, can we succeed in accessing SD card and reading/writing data correspondingly. Using skills: insert SD card into the corresponding slot on one end of card reader, and then connect the USB interface on the other end of card reader to computer. What's more, the function of card reader with SD card inserted is basically the same with that of USB flash drive.įor a computer, the card reader is similar to a USB floppy drive the tiny difference lies in - what the card reader reads is a variety of flash memory cards while USB floppy drive only reads floppy disk.
Some of the card readers are even close to that of common USB flash drives. Usually, an SD card reader is not very heavy and the size of it is small. Besides, it supports reading & writing data and allows the access to SD card files.Īctually, a card reader is specially designed to share information on SD card conveniently. It's an external device with corresponding SD card slot and USB interface. Well, SD card reader is a kind of device used specially for reading SD card. It is now widely used in digital camera, DV, MP4, MP3, PDA and smart phone. And it is favored and used by a lot of people due to its excellent characteristics of small size, fast data transfer and hot swap.Īt present, SD card is the most common memory card on the market. On This Page :Īs a new type of storage device based on semiconductor flash memory, SD (Secure Digital) memory card is produced to increase the capacity of digital devices. Now, you can read this post to learn some useful information about SD card reader. Thus, to access to the files on the SD card using the computer, you need an SD card reader. You know that you can’t connect the SD card to your computer directly.
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