Introduction

Nokia Lumia 720 - How to disassemble the device and change the Charging Dock and Microphone Module.


Video Overview

Remove the SIM card tray and the memory card try.
  • 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.

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Be careful with the volume buttons.
  • Be careful with the volume buttons.

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  • Remove the 3x Torx T4 screws.

  • Buzzer / Loudspeacker

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  • 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

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

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  • 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.

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  • Disconnect the Display Assembly flex cable.

  • Disconnect the Charging Dock Board flex cable.

  • Remove the Main board.

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  • Use a hair dryer and warm the flex cable.

  • Careful unstuck the flex cable from the middle frame.

  • Micro USB connector

  • Microphone

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Conclusion

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

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ZFix

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7 Comments

The Lumia 520 is an affordable Windows Phone 8 at Nokia since marketed less than 190 euros. Available in several colors, this entry-level terminal offers an honest ...

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