According to BGR Symbian isn't dead just yet. Nokia will probably announce the last Symbian device who should be the successor of the Nokia N8 ,
The new smartphone will be called Nokia 803 and will have the following specs : 4-inch AMOLED display, NFC, HDMI, and a microSIM slot
Further information also came to the camera section: the smartphone will feature a cam with one of the largest sensors (if not the largest) on the phone market.
The Nokia 803 should reach the market in May and should be based on Nokia / Symbian Belle.