I have been using jiofi 3 for over 1 year scince I have bought it and it amaizingly does what it is ment to do without any glitch or problems . The quality of the device have been good. It have better network resception and speed than an actual phone. Battery backup is good it will las a day of light usage or 5-6 hrs of heavy usage. This thing charges prritty fast its like full charge in under an hour . The quality have been good I have dropped it many times yet works fine. Wifi range is good . Overall jiofi 3 is a good product for the money.