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Using Your Device 
•  Please use original accessories or accessories that are authorized. Using 
any unauthorized accessories may affect your device’s performance, and 
violate related national regulations about telecom terminals. 
•  Avoid using your device near or inside metallic structures or establishments 
that can emit electromagnetic waves. Otherwise it may influence signal 
reception. 
•  Your device is not waterproof. Please keep it dry and store in a shady and 
cool place. 
•  Do not use your device immediately after a sudden temperature change. In 
such case, it will produce dew inside and outside your device, so don’t use it 
until it becomes dry. 
•  Handle your device carefully. Do not drop, bend or strike it. Otherwise your 
device will be damaged. 
•  No dismantling by non-professionals and only qualified technicians can 
undertake repair work. 
•  Operating temperature range of-20°C ~ +70°C and humidity range of 5% ~ 
95% are recommended. 
RF Exposure Information (SAR) 
This device meets the government’s requirements for exposure to radio waves.