RH-30 User Guide, this manual introduces the use of the phone, including safety regulations, overview, keys, ports, flashlight and camera, standby mode and screen indicator symbols, flashlight, getting started, installing SIM card and battery, changing the case, battery charging, power on and power off, basic features, dialing, answering or rejecting calls, during call functions, keyboard lock (key protection), using the speaker, input method, input method indicator symbols, switching input method, pinyin input method, traditional English input, intelligent predictive English input method and other content.