11 
 
  Only  qualified  personnel  can  dismantle  and 
repair the modem. 
  An operating  temperature between -10 °C and 
+55 °C and a humidity between 5% and 95% are 
recommended. 
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  installation,  disassembly,  storage, 
servicing or operation of the product. 
iv.  Modifications or repairs not provided by ZTE or 
a ZTE-certified individual. 
v.  Power  failures,  surges,  fire,  flood,  accidents, 
and  actions  of  third  parties  or  other  events 
outside ZTE’s reasonable control. 
vi.  Usage  of  third-party  products,  or  usage  in 
conjunction  with  third-party  products  if  such 
defects are due to the combined usage. 
vii.  Any  other  cause  beyond  the  range  of  normal 
usage intended for the product. 
End users have no right to reject or return the product,