Series 80

The Series 80 (formerly Crystal) was a short-lived mobile software platform for enterprise and professional level smartphones made by Nokia, introduced in 2000. It uses the Symbian OS. Common physical properties to this Symbian OS user interface type is a screen resolution of 640×200 pixels and a full QWERTY keyboard. Series 80 used the large size of the Communicator screens to best effect, but needed separate development for a relatively small market.

The Nokia 9300i announced in 2005 was the final Series 80 device, Nokia did not use the Series 80 platform in its final Communicator, the Nokia E90.

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