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Replacing LCD display on the iPhone 12 Pro

Added on 25.10.2021

Technical difficulty

Medium difficult

Duration of the procedure

90 minutes

Number of steps in the tutorial

16

In case that your screen of the iPhone 12 Pro is cracked, does not respond to touch, or does not display an image when the phone is turned on, you can use this guide to replace the display yourself.

The combined speaker + headphone sensor assembly attached to the back of the display is paired with your individual iPhone at the factory, so you need to transfer it from the old display to the new one whenever you replace the display.  It contains a flood illuminator, which is part of the biometric security element Face ID.  If the Face ID is damaged or replaced, it will stop working, so be careful not to damage any of these components during this procedure.  In the event of damage, only Apple or an authorized Apple technician can restore Apple ID.

Note: True Tone is disabled after the screen is replaced, even when using the original Apple screen.  In addition, your iPhone may temporarily display a ,,genuine" warning.

Step 1
Removing the pentalobe screws

Removing the pentalobe screws

Before starting, it is necessary to discharge the iPhone below 25% because a charged Li-ion battery can ignite or explode if accidentally cut.

  • Turn off iPhone
  • Unscrew the two 6.75 mm long pentalob screws on the bottom edge of the iPhone using a Pentalobe screwdriver (Ph0001.2)

Opening iPhone will break its waterproof seal, so have a replacement seal ready before beginning this step.  Without a new seal, your iPhone will not be waterproof.

Step 2
Opening 1

Opening 1

Warming the bottom edge of iPhone helps soften the screen protector and make it easier to open.

  • Using a hair dryer or heat gun, heat the bottom edge of iPhone for about 3 minutes to bring the temperature to about 80 ° C.
  • Do not put iPhone in the microwave !!!

Step 3
Opening 2

Opening 2
  • Place the suction cups near the bottom edge of iPhone, one at the front and the other at the back, and gently push it into place.
  • Hold your iPhone securely and use gentle suction cups to separate the screen from the back of the phone.
  • After separating the display approx. 3 mm from the back, insert the Fixservis card into the gap.

The glue that holds the display in place is very strong, so creating this initial gap requires considerable force.  If you have difficulty, reheat the bottom edge and gently slide the screen up and down repeatedly to weaken the glue until you create a gap to insert the Fixservis card.

Step 4
Opening 3

Opening 3
  • After successfully releasing the adhesive from the edges, remove the suction cups.
  • Open iPhone by turning the display to the left like a book.
  • We recommend that you support the display so that you do not tear off the flat cable that holds the display from the system board.

For now, don't try to completely detach the display, as a few fragile flat cables still connect it to the iPhone's motherboard.

Step 5
Removing the battery connector and display cover

Removing the battery connector and display cover
Removing the battery connector and display cover #1
Removing the battery connector and display cover #2
Removing the battery connector and display cover #3

  • Remove the two 1.1 mm long screws with a Pentalobe screwdriver (Y) securing the connector cover and at the same time remove it with tweezers.

Throughout the repair, follow each screw to make sure it returns exactly where it came from to avoid damaging your iPhone.

Step 6
Disconnect the battery

Disconnect the battery
Disconnect the battery #1
Disconnect the battery #2
  • Use the tip of the Spudger to disconnect the battery connector on the system board from the system board.
  • Bend the connector slightly away from the system board to prevent accidental contact with the outlet and power to the phone during repair.

Step 7
Disconnect the OLED display + digitizer

Disconnect the OLED display + digitizer
Disconnect the OLED display + digitizer #1
Disconnect the OLED display + digitizer #2
  • Disconnect the OLED panel and digitizer cable connector using the Spudger.

Step 8
Remove the front sensor connector cover

Remove the front sensor connector cover
Remove the front sensor connector cover #1
Remove the front sensor connector cover #2
Remove the front sensor connector cover #3
  • Using a Pentalobe screwdriver, remove the four screws that secure the front sensor connector cover:

- Three screws 1.1 mm long

- One 1.4 mm long screw

  • Then remove the cover.

Throughout the repair, follow each screw to make sure it returns exactly where it came from to avoid damaging your iPhone.

Step 9
Disconnect the front sensor connector

Disconnect the front sensor connector
  • Disconnect the front sensor assembly cable connector using the Spudger or nail.

Step 10
Remove the display assembly

Remove the display assembly
  • Remove the display assembly.

Step 11
Peel off the old glue around the edges of the iPhone

Peel off the old glue around the edges of the iPhone
  • Remove the old glue along the edges of the iPhone.

Step 12
Removing the Speaker/ Sensor Assembly

Removing the Speaker/ Sensor Assembly
Removing the Speaker/ Sensor Assembly #1
Removing the Speaker/ Sensor Assembly #2

  • Remove the four screws using a Pentalobe screwdriver that secures the sensor speaker assembly to the back of the display:

- Two 1.4 mm Phillips screws

- One 1.7 mm Y000 screw

- One 1.2 mm Y000 screw

Step 13
Flip the speaker assembly over

Flip the speaker assembly over
Flip the speaker assembly over #1
Flip the speaker assembly over #2

  • The handset speaker is slightly stuck in place.
  • Use the Spudger to gently pry the top edge of the speaker.
  • Flip the speaker assembly down and out of the top edge of the display.

The speaker remains attached with a very thin flat cable.  Be careful not to strain or damage the cable.

Step 14
Ambient light sensor compartment

Ambient light sensor compartment
Ambient light sensor compartment #1
Ambient light sensor compartment #2

  • Use a hair dryer or heat gun on the top front of the display for 1-2 minutes to soften the sensor mounting glue.
  • Use Spudger or tweezers to lift and separate the ambient light sensor from its notch on the front panel.
  • Then remove it with tweezers.

Be careful not to damage the light sensor ribbon cables when prying.

Step 15
Glue a new adhesive around the edges of the iPhone

Glue a new adhesive around the edges of the iPhone
Glue a new adhesive around the edges of the iPhone #1
Glue a new adhesive around the edges of the iPhone #2
Glue a new adhesive around the edges of the iPhone #3

  • Stick new gluten on the edges of the iPhone.

The new adhesive will ensure the iPhone's resistance to water and dust.

Step 16
Install a new LCD display

Install a new LCD display

  • Install the speaker + front sensor assembly on the new LCD display.

To reinstall, follow these instructions in reverse order.

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