This happens when, after installing a huge amount of applications, the hardware is revolting and not working properly. In this case, there is nothing else but sending the tablet to our service where the correct flash firmware and proper calibration will be made. Time also does not work in favor of this type of device. Overcharged battery cells are another common case of tablet failures. The last type of tablet repair is motherboard repairs. Huge number of tablets, which are in daily use, is associated with a huge number of faults, which provides us with constantly new challenges. We make every effort to meet them.