I am using Reliance jiofi last 3 months.
The speed of router is very good it comes bandwidth speed average 10 to 15 mbps in my house which is located in vijayawada bhavaniuram Andhra Pradesh.
Plans is also very good compare with others I paid 3 months plan for 300 rupees for 1 gb daily 3 months.
In traveling some up and downs of internet speed based on signal strength.
Battery is also good and power save mode is good, after 30 minutes non usage router become standby mode, after pressing button it become active.
Up to now there is no service issue.
Overall nice experience.
Thanks.