In less developed countries where power is unreliable, small simple phones with long battery life dominate. The market demands a phone that can go at least thre

In less developed countries where power is unreliable, small simple phones with long battery life dominate. The market demands a phone that can go at least three days and ideally five before requiring recharge. They can't charge power hungry phablets every day. Half or more of humanity live in these places. That should be taken into account when looking at these statistics.