12 Appendix A: Troubleshooting

General problems

Problem

Description & Solution

 

 

“Insert SIM card”

Check that the USIM/SIM card has been

displays

correctly installed.

 

 

“No network

• The network connection has been lost.

coverage,”

You may be in a weak signal area (in a

“Unable to

tunnel or surrounded by buildings).

connect. No

Move and try again.

network

• You are trying to access an option for

coverage.” or

which you have not taken out a

“Message

subscription with your service provider.

sending failed”

Contact the service provider for further

displays

details.

 

 

The bars of the

• If you have just turned on your phone,

signal icon ( )

wait for about 2 minutes, until your

disappear

phone finds the network and receives a

 

signal.

 

• If you are in a tunnel or in an elevator,

 

the phone may not be able to receive

 

the network signal properly. Move to an

 

open place.

 

• This may appear when you move

 

between different service areas. It is

 

normal.

 

 

The display is not

In direct sunlight, you may not be able to

clear

see the display clearly. Moving to a place

 

with different light should solve this

 

problem.

 

 

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Samsung SGH-I520DKVOMN, SGH-I520DKAXET manual Appendix a Troubleshooting, General problems, Problem Description & Solution

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