Reliance Jiofi is best device. I buy this device and start device their wifi speed is mind blowing speed is 135 mbps but some day uses their speed is down in 65mbps speed but speed is very good.their connection is is very good that connect at a time 10 devide with good speed.You can do HD call, video call, sms.Jiofi’s service & support is so good they give you 1 year warranty.this device is really good buy it now.I am satisfied with this device.