I am using this jio phone since oct.2017 and I have some observations:
1.Poor built quality, I have to visit JIO store for 4-5 times to get the defects rectified.
2.Software is still very slow in spite of updates.
3.No hotspt so you cant use the full allotted quota seeing this monthly recharge odf Rs. 153/-looks quite costly in compare of airtel offer etc.
- battery last 2-3 days only when data is not in use otherwise 2 days with normal talk time.
5.FM not working properly without using the lead though JIO claim it has wireless FM which is not.
6.No whatsapp/Facebook.
7.Autolock system irritates even when talk is in progress.
8.Terms & conditions for using this phone are very stringent to comply with.
I would like to suggest the first timers to not to buy this phone rather it better to opt for airtel /idia/vodafone offer.( smartphone) in same price tag.