Introduction

This guide will walk you through the process of replacing a faulty headphone jack in a Motorola Moto G4 Plus phone.

Insert a fingernail or a spudger into the notch on bottom edge of the phone near the charging port.
  • Insert a fingernail or a spudger into the notch on bottom edge of the phone near the charging port.

  • Pry the back cover away from the body of the phone.

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Continue to gently lift the back cover until all plastic clips have been released.
  • Continue to gently lift the back cover until all plastic clips have been released.

  • Remove the back cover.

  • To reinstall the back cover, align the cover over the body and gently press all around the edges until you feel the clips snap into place.

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  • Slide out and remove the SIM card.

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  • Remove the nineteen 3.1 mm T3 screws securing the midframe.

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  • Use the point of a spudger to pry up the rubber cover over the camera flash connector.

  • Remove the rubber cover.

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  • Use the point of a spudger to pry up and disconnect the camera flash connector.

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  • Loosen the midframe along the edges and lift it away from the body.

  • Remove the midframe.

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  • Be very careful not to puncture the battery with any sharp tools. A damaged lithium-ion battery can catch fire and/or explode.

  • Peel up and remove the tape securing the battery wires.

  • Peel up and remove the black tape that bridges the battery and the phone.

  • While neither tape pieces are necessary for the operation of the phone, save them if they are in good condition for the reinstallation process.

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  • Slip the point of a spudger underneath the red and black battery wires and gently pry straight up.

  • During reassembly, align the connector in its socket, then press straight down to reconnect it.

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  • Use tweezers or your fingers to de-route the battery wires from the plastic brackets.

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  • Peel the black pull tab from battery and pull slowly but firmly to separate the battery from the frame.

    • A few drops of high concentration (90% or higher) isopropyl alcohol along each side may help soften the adhesive.

    • If the pull tab breaks, use a spudger to gently pry around the edges of the battery until it comes loose.

  • Don't deform or puncture the battery—it can catch fire and/or explode if damaged.

  • Never reinstall a damaged or deformed battery. Replace the battery.

Does anybody know, what the black tape covering the metal cans an the battey is made of? It seems to have a heat insulating effect.

David Kilias - Reply

  • Remove the battery.

  • To install a battery, orient the new battery such that the wires exit near the bottom of the phone, and the battery connector is on the motherboard side.

  • Clean off any adhesive residue which may prevent the battery from sitting flush against the frame. Use a few strips of adhesive included in the battery kit or some double-sided tape to secure the battery to the frame.

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  • Using tweezers, lift up the black silicon piece connecting the motherboard to the front casing.

  • Using tweezers, remove the red and black cable connecting the motherboard to the front casing.

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  • Using a spudger, remove the two metal pieces connecting the motherboard to the front casing.

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  • Using tweezers, remove the yellow film connecting the rear camera to the motherboard.

  • The film is connected by an adhesive, so it may take some jostling to remove.

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  • Remove two 4.0 mm T3 Torx screws connecting the motherboard to the front casing.

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  • Using a spudger, lift up and remove the motherboard.

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  • Using tweezers, lift up the black silicon piece covering the audio jack.

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  • Using tweezers, remove the audio jack.

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Conclusion

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

2 other people completed this guide.

Andre Rives

Member since: 02/20/2017

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USF Tampa, Team S2-G6, Sullivan Spring 2017 Member of USF Tampa, Team S2-G6, Sullivan Spring 2017

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One Comment

I accidentally broke the headphone jack ribbon cable socket off of the motherboard - its a very small 3 socket ZIF connector that wasn’t attached very good. Now I have no display - I’m wondering if the headphone jack has something to do with it? I would think breaking that connector would only affect the headphone jack.

Chris - Reply

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