Introduction

This guide shows you how to properly replace your LG Optimus F3 Headphone Jack. Make sure to have the listed tools and parts before you get started.

*Red bullets correspond with red markings on the pictures.

Place your thumb at the bottom of the phone's back where the charging port is located.
  • Place your thumb at the bottom of the phone's back where the charging port is located.

  • Gently pull the cover off.

Using the indent at the bottom of the battery, lift and remove the battery from the phone.
  • Using the indent at the bottom of the battery, lift and remove the battery from the phone.

    • Place the battery in a safe location as you will need it for reassembly.

Remove the ten 1.0 mm screws on the rear case.
  • Remove the ten 1.0 mm screws on the rear case.

    • Place the screws in a safe location as you will need them for reassembly.

After removing the screws, carefully pry open the inner case.
  • After removing the screws, carefully pry open the inner case.

    • Insert the opening tool on different locations until the case comes off easily.

    • To avoid damaging the joints of the case do not pry if there is resistance.

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With the inner cover removed, locate your headphone jack.
  • With the inner cover removed, locate your headphone jack.

    • It will be in the upper right corner on the back of the phone.

Gently grab the headphone jack along the sides with tweezers.
  • Gently grab the headphone jack along the sides with tweezers.

  • Lift the headphone jack out of its socket.

Insert the new headphone jack into the headphone socket by lining up the connectors and gently pressing down.
  • Insert the new headphone jack into the headphone socket by lining up the connectors and gently pressing down.

    • Make sure the dark side without the connectors is face up.

Align the inner case to the back of the phone.
  • Align the inner case to the back of the phone.

    • Use the camera location to easily align the cover.

  • Gently attach the inner case by pushing in along the edges. It should snap into place.

Screw in the ten 1.0 mm screws into the designated locations on the back of the rear case.
  • Screw in the ten 1.0 mm screws into the designated locations on the back of the rear case.

Place the battery into the open socket on the back of the rear case.
  • Place the battery into the open socket on the back of the rear case.

    • Make sure the battery is properly aligned with the "+" and "-" symbols located at the top.

Align the back cover to the back of the phone.
  • Align the back cover to the back of the phone.

    • Use the camera location to easily align the cover.

  • Attach the back cover by pushing down along the edges of the case. It should snap into place.

Conclusion

Congratulations, you have completed the replacement of the 3.5mm headphone jack on the LG Optimus F3.

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Ryan McDermott

Member since: 10/28/2015

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UMass Dartmouth, Team 1-5, Miles Fall 2015 Member of UMass Dartmouth, Team 1-5, Miles Fall 2015

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