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LG Optimus L90 Touch Screen Replacement

Archived Guide
This guide is retained solely for historical purposes. Use the updated version of the guide to perform your repair.

Introduction

This guide will show you how to disassemble your device, remove your damaged screen, and insert a new screen in.

What you need

  1. LG Optimus L90 Touch Screen Replacement, Battery: step 1, image 1 of 3 LG Optimus L90 Touch Screen Replacement, Battery: step 1, image 2 of 3 LG Optimus L90 Touch Screen Replacement, Battery: step 1, image 3 of 3

    • Carefully slide an opening pick between the the rear cover and the body of the phone.

    • Using the pick, separate the cover from the back of the phone.

    • Remove the rear cover.

    Edit

  2. LG Optimus L90 Touch Screen Replacement: step 2, image 1 of 2 LG Optimus L90 Touch Screen Replacement: step 2, image 2 of 2

    • Insert a plastic opening tool int o the small recess at the bottom of the battery.

    • Use the plastic opening tool to lift up the bottom of the battery.

    • Remove the battery from the phone.

    Edit

  3. LG Optimus L90 Touch Screen Replacement, Motherboard: step 3, image 1 of 2 LG Optimus L90 Touch Screen Replacement, Motherboard: step 3, image 2 of 2

    • Remove the eleven JIS #000 screws securing the midframe to the phone.

    Edit

  4. LG Optimus L90 Touch Screen Replacement: step 4, image 1 of 3 LG Optimus L90 Touch Screen Replacement: step 4, image 2 of 3 LG Optimus L90 Touch Screen Replacement: step 4, image 3 of 3

    • Using an opening pick, carefully separate the midframe from the motherboard.

    Edit

  6. LG Optimus L90 Touch Screen Replacement: step 5, image 1 of 3 LG Optimus L90 Touch Screen Replacement: step 5, image 2 of 3 LG Optimus L90 Touch Screen Replacement: step 5, image 3 of 3

    • Disconnect the flex cables (gold tags with prongs) from the motherboard.

    Edit

  7. LG Optimus L90 Touch Screen Replacement: step 6, image 1 of 2 LG Optimus L90 Touch Screen Replacement: step 6, image 2 of 2

    • Disconnect the thin black cable in the bottom-right corner of the phone.

    Edit

  8. LG Optimus L90 Touch Screen Replacement: step 7, image 1 of 3 LG Optimus L90 Touch Screen Replacement: step 7, image 2 of 3 LG Optimus L90 Touch Screen Replacement: step 7, image 3 of 3

    • Gently pry the motherboard away from the phone.

    Edit

  9. LG Optimus L90 Touch Screen Replacement, Touch Screen: step 8, image 1 of 2 LG Optimus L90 Touch Screen Replacement, Touch Screen: step 8, image 2 of 2

    • Once the motherboard is carefully removed, use your prying tool to remove the black tape that is located around the back camera. Place the tape off to the side when finished as you will need this later.

    Edit

  10. LG Optimus L90 Touch Screen Replacement: step 9, image 1 of 1

    • Once the tape is removed, use your heat gun to heat up the screen of the phone for 1-2 minutes. This will soften the adhesive that binds the screen to the phone.

    Edit

  11. LG Optimus L90 Touch Screen Replacement: step 10, image 1 of 1

    • Once the screen is up to a decent temperature, use your prying tool to separate the screen from the body of the phone. Once the damaged screen is removed the new one is ready to be inserted.

    Edit
Conclusion

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

4 other people completed this guide.

Author

with 5 other contributors

Alex Arruda

Member since: 03/04/16

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Team

UMass Dartmouth, Team 3-5, Bhusal Spring 2016 Member of UMass Dartmouth, Team 3-5, Bhusal Spring 2016

UMASSD-BHUSAL-S16S3G5

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7 Guides authored

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