By Arnab Banerjee Close Christmas Gift Guide: Best Smartphones of 2014 With the development of latest technology, the smartphone industry has developed by a big margin. The top five smartphones of all time are mentioned below. Advertisement © 2017 HNGN, All rights reserved. Do not reproduce without permission. Advertisement 0 COMMENTS CLOSE COMMENT Get HNGN's Top Stories Newsletter Everyweek You have already subscribed. Thank you.