Zte WP228 User Manual page 16

ZTE WP228 User Guide
If you want to clean your phone, use clean fabric that is a bit wet or anti-static. Do not use harsh
chemical cleaning solvents or strong detergents to clean your phone such as alcohol, dilution agent
and benzene. Power-off your phone before you clean it.
Use phone within a temperature range of -10°C~+55°C and the humidity less than 95%.
14 Confidential and Proprietary Information of ZTE CORPORATION