Updated On: 16 August, 2014 10:22 AM IST | | Agencies
<p>The first ever smartphone - a USD 900 clunky IBM Simon mobile phone - has turned 20</p>

London: The first ever smartphone - a $900 clunky IBM Simon mobile phone - has turned 20.
The phone with a battery life of one hour was developed by IBM and the American cellular company BelSelf and went on sale in 1994.