Most laptops and computers come with built-in SD card slots to accommodate SD memory cards. The SD memory card is a portable storage device that is used by many electronic devices, including cameras, media players and music players. The mini card is used to store music, movies, photos and data files that can be transferred between electronic devices and computers.
How to Install RAM in an iMac. Extra memory, or Random Access Memory (RAM) can be inserted or installed into the memory slots of your iMac computer at any time. Extra RAM for iMac computers is available in the form of Small Outline Dual. The X-tc phone has a MIcro SD card slot. First you have to get the Micro SD card then get a Micro SD card adapter then put it in to ur computer and go to My Computer and select the SD card.
Look at the front and sides of the keyboard of your laptop computer for a slot labeled “SD.”

Memory Slots In Laptop
Look at the front of the tower of your desktop computer for a slot labeled “SD.”

If you are running Windows 10, click and hold 'Start,' then click 'Device Manager' in the menu that appears. In the device manager, look for a device labeled “SD host adapter.” If you see it, your computer has a built-in SD card reader. If you can locate the slot but not the device listing, or see the listing but not the slot, contact your computer's manufacturer for more information.
If you have Windows 7, click “Start,” right-click “Computer” and click “Manage.” Click “Device Manager” in the left pane of the Computer Management window. Look for a device labeled “SD host adapter.” If you see this device, your computer has a built-in SD card reader. If you still can't locate the slot, you may have to refer to the owner's manual or the manufacturer's website.