The Series 80 (formerly Crystal) was a short-lived mobile software platform for enterprise and professional level mobile phones made by Nokia. 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.
If you are looking to upgrade your phone because it is boring or doesn't have all of the features you would like, consider these five things to look for when buying a new cell phone to help you decide which phone is best for you.
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