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LG VX4400 Troubleshooting

Phone Description

Note: This troubleshooting guide covers the LG VX4400

Phone will not turn on

The phone will not power on.

Dead Battery

Check that your battery is charged and securely in place. Also check that it is not dead. Old batteries may suddenly die without warning. Check the contacts to ensure there is no residue.

Bad Logic Board

Disassemble the phone to make sure that the phone's logic board is not fried.

Faulty Power Button

Make sure that the actual power button is still working and connected.

Phone does not have any service

You cannot make or receive calls.

Bad Logic Board

This is probably due to a faulty logic board. Disassemble the phone to check for any obvious problems.

Phone randomly turns off

"The phone shuts off without being prompted"

Dirty Battery Contacts

There is likely a problem with the battery. This is commonly caused by residue on the contacts. Use a pencil eraser and clear the contacts of any dirt. Clean away all eraser residue.

Broken Screen

Check the manufacturer's website for replacement screens.

Buttons on phone don't respond

Keypad

Disassemble the phone to see if the keypad is still intact. If so, check the manufacturers website for replacement keypads.

Bad Logic Board

If the keyboard is not broken, there is likely a problem with the logic board. Look for any visible faults.

You cannot hear people

"Or they cannot hear you"

Faulty Speaker

This can be due to a faulty speaker. Check to see if any other noises can come out of the speaker.

Faulty Microphone

If someone cannot hear you it may be due to a faulty microphone. Check the other phone functions to see if it can record at all.

Bad Logic Board

Your logic board may be faulty. Disassemble the phone to look for any visible problems.

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