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For iPhone X and later iPhone models, the bracket covering the bottom flex cable bonding area is adhered by cold adhesive. The traditional method with heating assistance when removing bezel might damage the screen. After several attempts, REWA LAB found that the new method with cold assistance can improve the success rate and efficiency of screen refurbishing.

Panoramica Video

  1. The screen structure of iPhone 11 Pro Max is the same as that of iPhone X series. Therefore, the screen refurbishing process is also similar.
    • The screen structure of iPhone 11 Pro Max is the same as that of iPhone X series. Therefore, the screen refurbishing process is also similar.

    • Different from iPhone X series, the bracket covering the bottom flex cable bonding area of iPhone 11 Pro Max is relatively wide, which increases the difficulty of screen refurbishing.

    • Therefore, we need to be extremely careful when removing the bezel.

  2. Test the display, touch functionality and Haptic Touch of the screen. All going well.
    • Test the display, touch functionality and Haptic Touch of the screen. All going well.

    • Disconnect the front panel sensor assembly flex cable and remove the OLED screen assembly. Then remove the front panel sensor assembly flex cable.

    • Tips: it is not easy to remove the front panel sensor assembly flex cable, which can be easily damaged during the operation. And the damage can also affect the function of Face ID. So we need to be extremely careful when operating

  3. Place the OLED screen assembly upside down into the -180℃ Frozen LCD Screen Separator.
    • Place the OLED screen assembly upside down into the -180℃ Frozen LCD Screen Separator.

    • Insert a 0.06mm metal pry piece under the bracket and slide back and forth to slice through the cold adhesive here.

    • Once done, connect the screen and test. All going well.

  4. Put the OLED Screen Assembly on the preheated platform.
    • Put the OLED Screen Assembly on the preheated platform.

    • Separate the bezel from the OLED with the Cutting Nipper.

  5. The bezel has been removed completely. As you can see, the area here is adhered by cold adhesive in large amounts.
    • The bezel has been removed completely. As you can see, the area here is adhered by cold adhesive in large amounts.

    • To protect the OLED from damage, we’d better freeze the screen during the operation.

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  7. Next, separate the glass lens from OLED with Cutting Wire.
    • Next, separate the glass lens from OLED with Cutting Wire.

  8. Put the OLED screen upside down on the Heat Platform for 3 minutes.
    • Put the OLED screen upside down on the Heat Platform for 3 minutes.

    • Make an incision with the Electric Glue Removing Device. Then continue to tear off the OCA Glue with one hand.

    • Also, be careful with force applied. This is to avoid damaging the OLED screen.

  9. Attach the OCA to the right position of the glass lens.
    • Attach the OCA to the right position of the glass lens.

    • Then put the OCA attached glass lens into the bubble removing machine for 5 minutes. Once finished, take out the OCA attached glass lens.

  10. Place the OLED screen into the OLED aligning mold. Attach the OCA attached glass lens to the right position of the screen.
    • Place the OLED screen into the OLED aligning mold. Attach the OCA attached glass lens to the right position of the screen.

    • Place the OLED Screen Assembly into the laminating machine.

  11. Put the OLED Screen Assembly into Bubble Removing Machine for 10 minutes.
    • Put the OLED Screen Assembly into Bubble Removing Machine for 10 minutes.

  12. Apply the specialized glue to the bezel. Then apply pressure to fit the OLED Screen Assembly with the bezel.
    • Apply the specialized glue to the bezel. Then apply pressure to fit the OLED Screen Assembly with the bezel.

    • Please be noted the FPC area on the bottom is very fragile. Be careful when operating. Otherwise, you might damage the OLED screen.

  13. Place the OLED Screen Assembly into the bezel laminating mold and fix it. Tighten the screw and wait for 10 minutes.
    • Place the OLED Screen Assembly into the bezel laminating mold and fix it. Tighten the screw and wait for 10 minutes.

  14. Run function test.
    • Run function test.

Phryne

Membro da: 17/11/2019

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