Microsoft Lumia 640 Lte Screen Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          10 - 25 minutes

Sections

Back Cover
1 step
Screen
7 steps

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BackMicrosoft Lumia 640 LTE
Full Screen
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Introduction

What you need

Step 1

              Back Cover

Use your thumb or fingernail on the edge/corner of the phone to pry the back cover off the phone.

Use your thumb or fingernail on the edge/corner of the phone to pry the back cover off the phone.

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Step 2

              Screen

Use the tweezers to pull back the sticker, revealing the screw underneath.
Be careful when removing the screws as they can strip easily.

Use the tweezers to pull back the sticker, revealing the screw underneath.

Be careful when removing the screws as they can strip easily.

Step 3

Use a T4 Torx driver to remove the screws in the four corners, along with the two in the middle left side (six total).

Use a T4 Torx driver to remove the screws in the four corners, along with the two in the middle left side (six total).

Step 4

Using the T4 Torx driver, unscrew the two screws.
Keep these screws separate from the screws from back of the phone to ensure that the right screws go where they belong.

Using the T4 Torx driver, unscrew the two screws.

Keep these screws separate from the screws from back of the phone to ensure that the right screws go where they belong.

Step 5

Use a plastic opening tool to separate the screen from the back plastic casing
Use tweezers to release the clip on the side of device, and remove the back of the phone.

Use a plastic opening tool to separate the screen from the back plastic casing

Use tweezers to release the clip on the side of device, and remove the back of the phone.

Step 6

Using the tweezers or a spudger, pull the gold tab up gently.
Using tweezers or a spudger, lift the white connector up gently to completely detach the screen from the phone.
For motherboard replacement, skip to Step 11 after finishing this step.

Using the tweezers or a spudger, pull the gold tab up gently.

Using tweezers or a spudger, lift the white connector up gently to completely detach the screen from the phone.

For motherboard replacement, skip to Step 11 after finishing this step.

Step 7

Using a plastic opening tool to carefully get under the gold strip.
Use tweezers to pull up the camera.
Use tweezers to pull up on the depth sensor.
This is held in by a strong adhesive.

Using a plastic opening tool to carefully get under the gold strip.

Use tweezers to pull up the camera.

Use tweezers to pull up on the depth sensor.

This is held in by a strong adhesive.

Step 8

Use a plastic opening tool to pry up the ear speaker.
This is held in by strong adhesive.

Use a plastic opening tool to pry up the ear speaker.

This is held in by strong adhesive.

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

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Author

                                      with 5 other contributors

                    Nick Emmert

Member since: 09/27/2018

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Team

                       Linn Benton Community College, Team S1-G2, Johnson Fall 2018                        

                                                  Member of Linn Benton Community College, Team S1-G2, Johnson Fall 2018 



                    LBCC-JOHNSON-F18S1G2                     


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                                            10 Guides authored

Introduction#

What you need#

Team#

Introduction

What you need

Team