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The Yopy was the name of a series of Personal Digital Assistants (PDA) made by GMate Corporation, [1] [2] also used as a popular PDA Phone in Korea and based on the Linux operating system. The Linux Documentation Project considers the Yopy series to be "true Linux PDAs" because their manufacturers install Linux-based operating systems on them by default. [3]
At the CeBIT 2000, GMate introduced the YDK1000, the Yopy Development Kit. Without a physical keyboard this device looked very different from later versions. It came with an embedded Linux operating system and the W Window System. Later also precompiled versions of the X Window System and the IceWM window manager became available.
The first official model in the Yopy line of PDAs was the YP3000. It introduced the clam shell design with a full-Qwerty keyboard, and featured a 3.5 inch TFT screen. It also came with the X Window System and IceWM.
One of the features of the YP3500 is a CDMA module, so it can be used as a mobile phone. In 2003, Wi-Fi was widely used in Korea, and so the YP3700 targeted this environment with an additional Wi-Fi module.
By March 2005 Gmate had stopped producing and selling the Yopy PDA and closed down its official web sites.
Because it used the Linux operating system, the Yopy was capable of running a variety of open source software.
Yopy is a recursive acronym, standing for "Your own personal Yopy".