Introduction

A guide on how to replace the logic board in the LG VX5400.

Parts

No parts required.

  1. Turn off the cell phone and turn it over on its back side
    • Turn off the cell phone and turn it over on its back side

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  2. Hold the phone case in your palm and slide the back cover towards yourself using your thumb
    • Hold the phone case in your palm and slide the back cover towards yourself using your thumb

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    • Slide a tool or finger into the notch at the top of the battery to carefully remove it.

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    • Take the Philips screwdriver and unscrew the four visible screws on the backside of the phone indicated by the four red circles.

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    • Then, take the pointed end of a spudger and pry out the rubber stopper to reveal the last screw at the top indicated with the blue circle.

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    • While the phone is open and faced up, carefully insert a tool into the middle to seperate the bottom half of the phone.

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    • Carefully slide out the keypad and remove the logic board. Then insert new the logic board.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Sourabh

Member since: 04/15/2010

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Cal Poly, Team 26-26, Regan Spring 2010 Member of Cal Poly, Team 26-26, Regan Spring 2010

CPSU-REGAN-S10S26G26

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