It’s a good device, battery life is good, something 8 hours, Internet speed is good, it’s use none 4g hand sate, and gio4g voice call to call any number of unlimited, it’s a protibol devise and carry, signals quality is best, this device charging time 3 hours, this device is note supported other operators 4g sim, support only jio 4g sim, this device woranty 2 years.