ZTE Z750C user manual For Your Safety, General Safety, Troubleshooting

Page 39

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

 

 

 

 

 

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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.

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Contents User Manual Table of Contents Table of Contents Getting Started Installing the Battery and a microSDHC CardSwitching Your Phone On/Off Charging the BatterySetting Up Your Phone for the First Time Using the Touch ScreenKey Functions Getting to Know Your PhonePersonalizing Protecting Your Phone With Screen Locks Switching to Silent ModeApplying New Wallpapers Changing the Screen BrightnessManaging Notifications Indicator What it meansKnowing the Basics Monitoring the Phone StatusOrganizing With Folders Rearranging the Favorites TrayManaging Shortcuts and Widgets Opening and Switching Apps Entering TextEditing Text Connecting to Bluetooth Devices Connecting to Networks and DevicesConnecting to Mobile Networks Connecting to Wi-FiConnecting to Virtual Private Networks Connecting to Your Computer via USBWorking With the Call Log Phone CallsPlacing and Ending Calls Answering or Rejecting CallsManaging Multi-party Calls Using Options During a CallCalling Your Contacts Checking VoicemailInternet Call Settings Adjusting Your Call SettingsPeople Editing Contacts Searching for a ContactAccounts Adding and Editing Email Accounts Changing General Email SettingsWriting and Sending an Email Adding a Signature to Your EmailsGmail Messaging Deleting Messages or Threads Changing Message SettingsCalendar Forwarding a MessageGoogle Talk Google+ Browser Maps, Navigation, Local, and Latitude Google Search and Voice Search Capturing a Photo Customize Camera SettingsCustomizing Camcorder Settings CameraWorking With Pictures GalleryOpening the Gallery Working With AlbumsPlaying Music MusicCopying Music Files to Your Phone Viewing Your Music LibraryRemoving a Song From a Playlist Play MusicPlaying Your Music Music Adding a Song to a PlaylistPlaying and Controlling Videos Video PlayerOpening the Video Library Managing Video FilesMore Apps Sound RecorderPlay Movies & TV TimerFull Share Play BooksPlay Store SettingsWireless and Networks DevicePersonal Troubleshooting SystemAccounts For Your Safety General SafetyTroubleshooting FCC Compliance Using Your Phone With a Hearing Aid DeviceFor Your Safety Radio Frequency RF EnergyTurning on the HAC Setting DistractionProduct Handling Electrical Safety Battery Handling & SafetyExplosive Environments Radio Frequency InterferenceHandset specifications are shown in the following table Specifications