How-To Guide

－Display is not in service, network fault
Check the signal strength indicator。If there is no network
signal，you may be in the basement or blind spot of network
building，Please move to other areas received signal。There is
another situation，You may be in the network coverage，Can
ask your network service provider to provide network
services。
－Voice quality is poor，Echo or noise make it difficult to talk：
Hang up and dial again，Internet service providers may
transfer a call quality better routes for you。
－Standby time shorter
Local weak signal，Mobile phone search for signal caused by
long time。When you don't want to answer the phone, please
temporarily shut down；or the battery use time is too long，
close to the battery life，please replace the new battery at this
time。
－Mobile phones can't boot up
Check the battery or charge。During charging, the open
mobile phone test。After phone if let stand for a long time easy
to make a battery of excessive discharge，At this time unable to
boot, charging can't response began a long time，want to wait
after power recovery to boot。