8 
and inappropriate polarity of this voltage, chemical 
processes such as used power supplies, etc. 
•  If anyone has made modifications, modifications, 
alterations to the design or adaptation to change or 
extend the functions of the product compared to 
the purchased design or use of non-original 
components. 
EU Declaration of Conformity 
Hereby, ZTE Corporation declares that 
the radio equipment type Model NX729J 
is in compliance with Directive 
2014/53/EU. The full text of the EU declaration of 
conformity is available at the following internet 
address: 
http://www.nubia.com/en/support.php?a=download. 
The device is restricted to indoor use only when 
operating in the 5150 to 5250 MHz frequency range.  
Declaration of RoHS 2.0 Compliance 
We’re determined to reduce the impact we have on 
the environment and take responsibility for the earth 
we live on. So this document allows us to formally 
declare that the NX679J, manufactured by Nubia 
Technology Co., Ltd., fully complies with the European 
Parliament’s RoHS (Restriction of Hazardous 
Substances) 2.0 Directive 2011/65/EU, with respect to 
all the following substances: (1) Lead (Pb), (2) Mercury 
(Hg), (3) Cadmium (Cd), (4) Hexavalent Chromium (Cr 
(VI)), (5) Polybrominated biphenyl (PBB), (6) 
Polybrominated diphenyl ether (PBDE), (7) Di(2-
ethylhexyl) phthalate(DEHP), (8) Dibutyl phthalate 
(DBP), (9) Benzyl butyl phthalate (BBP), (10) Diisobutyl 
phthalate (DIBP).