Our online glossary is here to help you make sense of the terminology used in the cell phone industry. It covers mobile technologies, such as 3G and 4G, and even includes a bit of information on smartphone operating systems and the companies that make the cell phones and other mobile technology devices we all use.
HD, or High-Definition, is a set of standards originally defined for TV transmissions. The two most common HD definitions used in the mobile industry are 720p (1280 x 720 pixels) and 1080p (1920 x 1080 pixels).
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