Zte R550 Quick Start Manual page 28

injury if used as a toy.
Be aware of the usage limitation when using a mobile phone at places
such as oil warehouses or chemical factories, where there are explosive
gases or explosive products being processed, because even if your
phone is in standby mode, it still transmits radio frequency (RF) energy;
therefore power off your phone if required.
Do not touch the antenna while calling. Otherwise it will affect the quality
of calling and waste battery energy. The damaged antenna will cause
slight burn while touching your skin.
Do not put other things on the terminal to avoid overlaying radiator.
Keep the antenna free from obstructions and position the antenna
straight up. This will ensure best call quality.