I have some experience but I said to you jio phone experience .
This jio phone is have a more features firstly this phone 4G phone on keyboard in world. This phone more phone no support hotspot and no support any other sim . This phone only support jio sim this is a most important problem.
This phone details
This phone ram is 512 Mb
And this phone memory is 4Gb
This phone purchasing you free but you deposit to company 1500 and you return the phone this time company refund your 1500 rupees and this phone recharge is 153 per month and 64 per weak.