Nokia Lumia 720 Display Assembly Replacement Repair Guide

Difficulty

Moderate

Steps

12

Time Required

                          20 - 30 minutes            

Sections

9

• Battery / Back Cover
• 2 steps
• Loudspeaker & Antenna module
• 1 step
• Battery
• 1 step
• Coaxial Antenna Cable
• 1 step
• Logic Board
• 2 steps
• Charging Dock and Microphone Module
• 1 step
• Earpiece
• 1 step
• Power, Volume and Camera buttons flex cable
• 1 step
• Display Assembly
• 2 steps

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Introduction

What you need

Video Overview

Step 1

              BATTERY COVER - PART 1               

• Remove the SIM card tray and the memory card try.
• Use a screwdriver Torx T2 and remove the screw under the SIM card tray.
• Use plastic tools and start the separating the back cover from the top side.

Remove the SIM card tray and the memory card try.

Use a screwdriver Torx T2 and remove the screw under the SIM card tray.

Use plastic tools and start the separating the back cover from the top side.

1024

Step 2

              BATTERY COVER - PART 2               

• Be careful with the volume buttons.

Be careful with the volume buttons.

Step 3

              Loudspeaker & Antenna module               

• Remove the 3x Torx T4 screws.
• Buzzer / Loudspeacker

Remove the 3x Torx T4 screws.

Buzzer / Loudspeacker

Step 4

              BATTERY               

• Disconnect the battery flex cable.
• Unstick the metal foil from the logic board.
• Use a plastic tool with a thin tip and unstuck the battery from the middle frame.
• Battery - BP-4GWA, 2000mAh, 3.7V, 7.4Vh

Disconnect the battery flex cable.

Unstick the metal foil from the logic board.

Use a plastic tool with a thin tip and unstuck the battery from the middle frame.

Battery - BP-4GWA, 2000mAh, 3.7V, 7.4Vh

Step 5

              COAXIAL ANTENNA CABLE               

• Disconnect the Antenna cable from the Logic board and from the Charging Dock board and remove it.

Disconnect the Antenna cable from the Logic board and from the Charging Dock board and remove it.

Step 6

              Logic Board               

• Disconnect the Volume, Power and camera buttons flex cable.
• Remove the 4x Torx T4 screws.
• Slightly lift the board
• Slowly and gently unstuck the light sensor from the middle frame.

Disconnect the Volume, Power and camera buttons flex cable.

Remove the 4x Torx T4 screws.

Slightly lift the board

Slowly and gently unstuck the light sensor from the middle frame.

Step 7

• Disconnect the Display Assembly flex cable.
• Disconnect the Charging Dock Board flex cable.
• Remove the Main board.

Disconnect the Display Assembly flex cable.

Disconnect the Charging Dock Board flex cable.

Remove the Main board.

Step 8

              Charging Dock and Microphone Module               

• Use a hair dryer and warm the flex cable.
• Careful unstuck the flex cable from the middle frame.
• Micro USB connector
• Microphone

Use a hair dryer and warm the flex cable.

Careful unstuck the flex cable from the middle frame.

Micro USB connector

Microphone

Step 9

              EARPIECE               

• Use a tool with a sharp point and carefully unstuck the earpiece.

Use a tool with a sharp point and carefully unstuck the earpiece.

Step 10

              Power, Volume and Camera buttons flex cable               

• When you start with the removing the ribbon cable be careful with the buttons and with the small black cups on it.
• Warm the flex cable and detach it.

When you start with the removing the ribbon cable be careful with the buttons and with the small black cups on it.

Warm the flex cable and detach it.

Step 11

              Display Assembly               

• Now you can start with the reassembling, but before you place the back cover, test the new display assembly.
• When you put the lid be careful with the volume buttons.

Now you can start with the reassembling, but before you place the back cover, test the new display assembly.

When you put the lid be careful with the volume buttons.

Step 12

• That’s all.
• .
• .
• .
• .
• .
• Did you do it successfully?

That’s all.

.

Did you do it successfully?

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

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                                                                                      5 other people completed this guide.                                             

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