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• Avoidusingthedevicenearorinsidemetallic
constructions or establishments that can emit 
electromagnetic waves, because signal reception 
may be affected.
• Thedeviceisnotwaterproof.Keepthedevicedry
and store it in a shady and cool place.
• Donotusethedeviceimmediatelyafterasudden
temperature change, because dew may be 
generated inside and outside the device. Do not 
use it until it becomes dry.
• Handlethedevicecarefully.Donotdrop,bendor
strike it. Otherwise the device may be damaged.
• Onlyqualiedpersonnelcandismantleandrepair
the device.
• Anoperatingtemperaturebetween-10°Cand
+60°Candhumiditybetween5%and95%are
recommended.
Using Battery 
Do not change the built-in rechargeable battery in your 
devicebyyourself.Thebatterycanonlybechangedby
ZTEorZTEauthorizedserviceprovider.
Warning and Notice