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Revision to LG VX5400 Troubleshooting

Sourabh

There maybe a small chance that the problem lies with the logic board of the cell phone. If the other parts of the phone are fine, but the logic board is broken, the phone may have had water damage. If the other solutions on this page don't help, you may need to replace the logic board.
 
== My Keypad Won't WorkProblems ==
== My Keypad Won't WorkProblems ==
 
=== For General Problems ===

====
Move Around the Keypad =======
=== For General Problems ===

====
Move Around the Keypad =======
 
Sometimes the keys get stuck. Try moving the keypad around to see if this is the case. If the problem still persists then the best thing to do is replace the keypad.
 
======= Replace Keypad =======
======= Replace Keypad =======
 
If the problem is not solved so easily, then the next step is to replace the keypad for an entirely new one. This will solve any functionality errors with the keypad.
 
===This guide may be of some help in the process:

[guide|2599|Repair Guide for Keypad]

====
Replace Logic Board =======
===This guide may be of some help in the process:

[guide|2599|Repair Guide for Keypad]

====
Replace Logic Board =======
 
If the problem persists even after completing the steps above then the complication is most likely with the logic board and a replacement logic board is necessary.
 
This guide may be of some use in the process:
 
[http://www.ifixit.com/Guide/Repair/Replacing-LG-VX5400-Logic-Board/2579/1|Repair Guide for Logic Board]
 
=== A Section of the Keypad Broke Off ===
Keypads for cell phones either broke off or malfunction due to various factors. This is definitely a problem if one text messages others as well as makes constant phone calls. The best thing to do is to replace the keypad with a new one to help with the functionality of the cell phone.
 
== LCD Screen Problems ==

=== There is a crack in my LCD screen ===

The only option is to replace the LED screen in the cell phone.

=== Screen will not display anything ===

Try turning the cell phone off and on again. If the problem is not logic board-related then this should work.

If the above does not work then replacing the logic board is the only choice.

==
There is a crack in my cell phone case...iscase. Is there anyway to replace it? ==
== LCD Screen Problems ==

=== There is a crack in my LCD screen ===

The only option is to replace the LED screen in the cell phone.

=== Screen will not display anything ===

Try turning the cell phone off and on again. If the problem is not logic board-related then this should work.

If the above does not work then replacing the logic board is the only choice.

==
There is a crack in my cell phone case...iscase. Is there anyway to replace it? ==
 
=== Remove and replace the outer case ===
 
Having a crack in the cell phone case can be disturbing to the user. To fix that noticeable distraction, simply replace the case of the cell phone with a new one.
 
This guide can be helpful in the process:
 
[http://www.ifixit.com/Guide/Repair/Repairing-LG-VX5400-Phone-Casing/2597/1|Repair Guide for Replacing Outer Casing]
 
 

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