Do not violently hit, shake or throw the devices.
Do not clean the devices with wet cloth.
Do not directly wash the device body and other parts with water or other liquid.
Do not place the devices under high temperature environment.
Do not place the devices in high humidity or dusty places.
Please keep screen,camera and other important parts well.
Please prevent the devices away from sharp objects.
Do not take the devices apart or retrofit it in private, otherwise mainboard will be damaged or battery will be on fire.