Nokia N900

The Nokia N900 was a phablet developed for the Nokia 'N' series. It was announced on CNET on November 11, 2009. The Nokia N900 was similar to Nokia Communicator, the successor of the Nokia N810. On July 14, 2011, it was discontinued worldwide. The cell phone was used in businesses and homes. As of October 2010, the Nokia N900 discontinued sales in India.
Hardware.
It has a dual SIM card and the storage memory is 512MB. The camera is 504mp. The phone also boasted a keyboard like a tablet. 
Discontinuation.
On July 14, 2011, Nokia announced the discontinuation of sales worldwide as they were releasing the next version of the phone.