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How will you deal with your broken iPhone 7 or 7 Plus? Actually, we have already published several posts concerning LCD refurbishing guidance for some flagship models of Apple and Samsung. But now you are getting the chance to take a sneak peek at the broken LCD refurbishing techniques and tricks of iPhone 7 plus.

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  1. Firstly, you need an iPhone 7 Plus LCD with broken glass lens but properly working touch screen and LCD display. Install LCD to motherboard plate, then test if the display, touch and 3D touch functionality is OK.
    • Firstly, you need an iPhone 7 Plus LCD with broken glass lens but properly working touch screen and LCD display. Install LCD to motherboard plate, then test if the display, touch and 3D touch functionality is OK.

  2. Take off the LCD screen from the phone, cut the 4 corners of the front bezel with Heating Soldering Iron. Stick adhesive tape on the whole glass lens to prevent the problems that may arise in subsequent operations.
    • Take off the LCD screen from the phone, cut the 4 corners of the front bezel with Heating Soldering Iron. Stick adhesive tape on the whole glass lens to prevent the problems that may arise in subsequent operations.

    • Lay the LCD on Manual LCD Separator(80-90℃) and heat for about 15s. Press the Start button and remove the bezel frame. Remove the bezel adhesive glue with razor blade afterward.

  3. Embed the gold cutting wire into the bottom of LCD screen, pull it right and left till the glass separated.
    • Embed the gold cutting wire into the bottom of LCD screen, pull it right and left till the glass separated.

  4. Turn on LCD Glue Removing Machine and preheat for 5 minutes(170-180℃), then remove the POL film.
    • Turn on LCD Glue Removing Machine and preheat for 5 minutes(170-180℃), then remove the POL film.

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  6. Brush some LCM Cleaner on LCD and remove the residue adhesive. Eliminate the residue completely with N-hexane.
    • Brush some LCM Cleaner on LCD and remove the residue adhesive. Eliminate the residue completely with N-hexane.

  7. Put the LCD on POL Film / OCA Laminating Machine and align it with a new piece of POL Film. Press Pump Down button, absorb it on the panel.
    • Put the LCD on POL Film / OCA Laminating Machine and align it with a new piece of POL Film. Press Pump Down button, absorb it on the panel.

    • Clean the LCD again and tear off the protective film with Easy Tear Sticker. Press Membrana Tectoria(Laminating) button to start POL Film Laminating.

  8. Tear off the first protective film and align OCA glue with LCD. Press the Pump Down button to absorb OCA glue. Tear off the protective film with Easy Tear Sticker and then go into the OCA Glue Laminating.
    • Tear off the first protective film and align OCA glue with LCD. Press the Pump Down button to absorb OCA glue. Tear off the protective film with Easy Tear Sticker and then go into the OCA Glue Laminating.

  9. Put the LCD into align moldand tear off the OCA protective film. Align the LCD with Integrated Glass Lens and Bezel Frame. Tear off the glass lens protective film.
    • Put the LCD into align moldand tear off the OCA protective film. Align the LCD with Integrated Glass Lens and Bezel Frame. Tear off the glass lens protective film.

    • Lay LCD into the laminating mold, then put it into 4 in 1 Vacuum Glass Laminating and Bubble Removing Machine. Press Start button and start glass laminating. Take it out after glass laminating is done(about the 30s at 42℃).

  10. Lay LCD onto the Iron Shelf, close the cabin door and press Start Button. After bubble removing finishes(about 10 minutes at 35℃), press the button again and wait till the gauge indicates 0. At this moment open the door and take out the LCD screen.
    • Lay LCD onto the Iron Shelf, close the cabin door and press Start Button. After bubble removing finishes(about 10 minutes at 35℃), press the button again and wait till the gauge indicates 0. At this moment open the door and take out the LCD screen.

  11. Remove the soldering spot adhesive with tweezers. Detach the soldering joint with Soldering Iron. Put the LCD on Heating Platform for 20-30s, then tear off the backlight unit layer by layer.
    • Remove the soldering spot adhesive with tweezers. Detach the soldering joint with Soldering Iron. Put the LCD on Heating Platform for 20-30s, then tear off the backlight unit layer by layer.

    • Remove the adhesive glue. Clean the LCD with N-hexane, tear off the protective film on Back Light Unit. Align it with LCD screen, then weld the soldering joint with solder wire(ensure that the tin spot is of satiation). Stick a new soldering spot adhesive on the joint.

    • Back Light Unit needs replacing only when it has problems of water damage, dust spot, light spot and 3D touch fails etc.

  12. Connect the LCD to the motherboard, and then test the display, 3D touch and touch functionality again.
    • Connect the LCD to the motherboard, and then test the display, 3D touch and touch functionality again.

Phryne

Membro da: 17/11/2019

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