The Nokia 2140 was launched exclusively for the Orange network and became available to customers on 28th April 1994.
It had a LCD screen that could display 4 lines of text. It also supported data and fax at 9600bps and provided network features such as caller ID, easy access to the answer phone service and two line working.
The Nokia 2140 was a derivative of the Nokia 2110 specifically for the Orange network and was replaced by the Nokia 5.1.
Some information courtesy of Nigel Linge & Andy Sutton, the authors of 30 Years of Mobile Phones in the UK (Paid Link)