LG L90 - Display LCD

Guide with all the necessary steps so that you can change the LCD screen of the LG L90 D405n yourself.

Difficulty
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Tutorial: Step by step

Step 1 Back cover

Before starting make sure the phone is switched off.

Remove the back cover with the opening tool, this will prevent scratches on the housing.

Step 2 Battery

Remove the battery by pulling on the bottom.

Step 3 MicroSD card

Remove the microSD card.

Step 4 SIM card

Remove the SIM card.

Step 5 Intermediate housing

Remove the 8 Phillips screws to remove the middle housing.

Step 6

Loosen the plastic tabs around the equipment with the opening tool.

Step 7

Separate the intermediate housing.

Step 8 Rear camera

Unplug the camera from the motherboard and pull it gently to remove it.

Step 9 Front camera

Unplug the camera from the motherboard and pull it gently to remove it.

Step 10 Bottom plate

Unplug the bottom plate from the motherboard.

Step 11 Motherboard

Disconnect the data cables from the screen.

Step 12

Desconecte el cable coaxial RF.

Step 13

Separate the base plate from the chassis with the opening tool.

Step 14 HOT GLASS

Insert the HOT GLASS in the microwave for the time specified in the instructions for use.

If you heat it too long, the gel inside will expand and the bag will be inflated until the content is poured.

The last minute in the microwave is advised to interrupt every 15 seconds and knead the gel inside with your hands to distribute the heat.

Step 15

Apply heat to the edges of the screen for a couple of minutes.

Step 16 Scanner

Insert the tip of the tine behind the glass of the digitizer and go around the contour releasing the glue.

Avoid cutting the flex cable through the barb.

Step 17

Separate the digitizer and clean the remaining glue from the housing before installing the new one.

The digitizer is fragile and can break if you force or tamper with it. Apply enough heat as many times as necessary to remove it easily.

Step 18 Display LCD

Peel off the flex cables from the LCD display on the back.

Step 19

Separate the display from the chassis by pushing the flex cables in the back.

Video Tutorial summary

In this video you can watch a quick summary of the tutorial, but we recommend to follow the complete tutorial, with its explanations and detailed images.
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