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•  When the device is operating, do not touch the metallic parts. 
Failing to do so may cause burns. 
•  Use original accessories or accessories that are authorized. Using 
any unauthorized accessories may affect the performance of the 
device and violate the related national regulations about telecom 
terminals. 
•  Avoid using the device near or inside metallic constructions or 
establishments that can emit electromagnetic waves, because 
signal reception may be affected. 
•  The device is not waterproof. Keep the device dry and store it in a 
shady and cool place. 
•  Do not use the device immediately after a sudden temperature 
change, because dew may be generated inside and outside the 
device. Do not use it until it becomes dry. 
•  Handle the device carefully. Do not drop, bend or strike it. 
Otherwise the device may be damaged. 
•  Only qualified personnel can dismantle and repair the device. 
•  An operating temperature between -10°C and +60°C and humidity 
between 5% and 95% are recommended. 
Using Battery   
Do not change the built-in rechargeable battery in your device by 
yourself. The battery can only be changed by ZTE or ZTE authorized 
service provider. 
Limited Warranty 
This warranty does not apply to defects or errors in the product 
caused by: 
i. Reasonable abrasion. 
ii.  End users’ failure to follow ZTE’s installation, operation or 
maintenance instructions or procedures. 
iii.  End users’ mishandling, misuse, negligence, or improper