Troubleshooting

Problem

Possible Causes

Possible Solution

 

 

 

 

The standby time is related to your service

 

 

provider system configuration. The same

If you are located in an area where

 

phone used with different service providers’

signaling is weak, temporarily power off

 

systems will not provide exactly the same

the phone.

 

length of standby time.

 

 

 

 

Shortened

The battery is depleted. In high temperature

Use a new battery.

standby time

environments, battery life will be shortened.

 

 

 

 

 

If you are not able to connect to the

 

 

network, the phone will continue to send

Change your location to one where the

 

out signals as it attempts to locate a base

network is accessible, or temporarily turn

 

station. Doing so consumes battery power

off your phone.

 

and will consequently shorten standby time.

 

 

 

 

Cannot turn your

Battery power has been depleted.

Recharge the phone’s battery.

phone on

 

 

 

 

 

Unable to connect

You are not within the network’s service

Check the service area with your service

to the network

area.

provider.

 

 

 

You cannot make

You have activated the Fixed dial numbers

Go to Call settings to check the Fixed

outgoing calls.

feature.

Dialing Numbers and disable it.

 

 

 

PIN Code blocked

You have entered an incorrect PIN code

Contact your service provider.

three consecutive times.

 

 

 

 

 

Unable to enter

 

 

information into

The phonebook’s memory is already full.

Delete unnecessary data from the contacts.

the phonebook

 

 

 

 

 

Phone crashes,

 

 

reboots, freeze,

Some third-party software is not compatible

Reset the phone to factory status.

or cannot be

with your phone.

 

powered on

 

 

 

 

 

74

 

 

For Your Safety

General Safety

Don’t make or receive handheld calls while driving. Never text while driving.

Keep your phone at least 15 mm away from your ear or body while making calls.

Small parts may cause choking.

Your phone can produce a loud sound.

Avoid contact with anything magnetic.

Keep away from pacemakers and other electronic medical devices.

Turn off when asked to in hospitals and medical facilities.

Turn off when told to in aircrafts and airports.

Turn off when near explosive materials or liquids.

Don’t use at gas stations.

Your phone may produce a bright or flashing light.

Don’t dispose of your phone in fire.

To prevent possible hearing damage, do not listen at high volume levels for long periods.

Avoid extreme temperatures.

Avoid contact with liquids. Keep your phone dry.

Don’t take your phone apart.

Only use approved accessories.

Don’t rely on your phone for emergency communications.

75

Page 39
Image 39
ZTE Z750C user manual For Your Safety, General Safety, Troubleshooting