User's Manual

8
Extreme heat or cold
Avoid the temperature below -10 /14 or above  
45 /113 . 
Microwave
Do not dry your phone in a microwave oven.
Dust and dirt
Do not expose your phone to dust, dirt, sand, food or other
inappropriate materials.
Cleaning solutions
Use a dry soft cloth to clean your phone. Do not use alcohol
or other cleaning solutions.
Ground
Do not drop your phone on hard surfaces.