MAXCOM MOBILE Q902M94 User Manual

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open it by yourself to ensure the safe usage of the battery.   
3. We suggest that you should use your telephone with the 
batteries compatible with your model to avoid any damage to 
your mobile.   
4. Mains powered chargers will operate within the 
temperature range: 0℃ to 40℃,do not charge your phone 
under higher or lower ambient temperature. 
WarningOnly use your telephone with qualified batteries, chargers 
and accessories compatible with your model authorized by our 
company. Do pull out the plug but not the cable when you cut off 
the power of any component. Please consult your vendor about the 
purchase of relative components.   
 
5. The brief introduction of the mobile 
The Communication Control Keys