Indian telecom operator Reliance Jio has announced the launch of the JioPhone at an effective price of 'zero' coupled with affordable data plans to foster wider adoption of data and e-services across the Indian demographic.
https://www.notebookcheck.net/The-Reliance-JioPhone-can-be-all-yours-effectively-for-0.236906.0.html
This is a surprisingly interesting phone for emerging markets, or parts of larger countries where high-speed data is hard to find and incomes are low.