Nokia 5110 is a Nokia GSM mobile phone model. It was released in 1998. At one point it was said to be the most popular mobile telephone in the world. The consumer oriented 5110 shared the same platform as the Nokia 6110 targeted at the business market. It had a simpler user interface and lacked an infrared port. The Nokia 5110 is also well known for its interface and operational feasibility. The Nokia 5110 was famously used by the character Agent Dana Scully of the X-Files television series. It formed more advanced models in the Nokia family such as the Nokia 3210.