Troubleshooting

Problem

Possible Causes

Possible Solution

 

 

 

Cannot answer

You have activated the Call barring

In Phone app, press the Menu Key >

Settings > Call Barring Settings, and

incoming calls

feature.

then check Deactivate All.

 

 

 

 

 

 

You have activated the Call barring

In Phone app, press the Menu Key >

 

Settings > Call Barring Settings, and

 

feature.

Cannot make

then check Deactivate All.

 

 

 

outgoing calls

You have activated the Fixed dial

In Phone app, press the Menu Key >

 

 

Settings > Fixed Dialing Numbers and

 

numbers feature.

 

disable it.

 

 

 

 

 

 

 

Contact your service provider. If the service

PIN code blocked

You have entered an incorrect PIN code

provider provides the micro-SIM card’s

three consecutive times.

PUK code, use the PUK code to unlock the

 

 

 

micro-SIM card.

 

 

 

Unable to enter

 

 

information into

The phonebook’s memory is already full.

Delete unnecessary data from the contacts.

the phonebook

 

 

 

 

 

Phone crashes,

 

Reset the phone to factory status.

 

 

 

Enter safety mode and uninstall the

reboots, freeze,

Some third-party software is not compatible

or cannot be

with your phone.

software that may cause the problem.

powered on

 

 

 

Upgrade the phone software.

 

 

 

 

 

52

For Your Safety

General Safety

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

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

Small parts may cause a choking.

Your phone can produce a loud sound.

Keep away from pacemakers and other electronic medical devices.

Switch off when asked to in hospitals and medical facilities.

Switch off when told to in aircrafts and airports.

Switch off when near explosive materials or liquids.

Don’t rely on your phone for emergency communications.

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 contact with anything magnetic.

Avoid extreme temperatures.

Avoid contact with liquids. Keep your phone dry.

Don’t take your phone apart.

Only use approved accessories.

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ZTE Z930L user manual For Your Safety, General Safety, Then check Deactivate All, Numbers feature