Introdução

The back sensor button allows you to unlock the phone by placing your fingerprint on the circular pad on the back of the phone. This guide will teach you how to remove the back sensor button without damaging it or any other vital components of the device.

If your display glass is cracked, keep further breakage contained and prevent bodily harm during your repair by taping the glass. This also makes a smooth surface allowing the suction cup to bond. Apply a suction cup as close to the SIM slot edge of the phone as you can while avoiding the curved edge.
  • If your display glass is cracked, keep further breakage contained and prevent bodily harm during your repair by taping the glass. This also makes a smooth surface allowing the suction cup to bond.

  • Apply a suction cup as close to the SIM slot edge of the phone as you can while avoiding the curved edge.

    • The suction cup will not make a good seal on the curved portion of the glass.

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Pull up on the suction cup with firm, constant pressure and insert an opening pick between the front panel and rear case. This requires a significant amount of force and patience. If you have trouble, rock the suction cup and screen to weaken the adhesive, or apply heat with an iOpener,  heat gun, or hair dryer. This requires a significant amount of force and patience. If you have trouble, rock the suction cup and screen to weaken the adhesive, or apply heat with an iOpener,  heat gun, or hair dryer.
  • Pull up on the suction cup with firm, constant pressure and insert an opening pick between the front panel and rear case.

  • This requires a significant amount of force and patience. If you have trouble, rock the suction cup and screen to weaken the adhesive, or apply heat with an iOpener, heat gun, or hair dryer.

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In the following steps, extra caution is required in certain areas to avoid damage to the phone: Do not insert the pick more than 0.5 inches into the bottom edge of the phone. If the pick contacts the folded portion of the OLED panel it can damage the display.
  • In the following steps, extra caution is required in certain areas to avoid damage to the phone:

    • Do not insert the pick more than 0.5 inches into the bottom edge of the phone. If the pick contacts the folded portion of the OLED panel it can damage the display.

    • Only make very shallow cuts in the upper left corner, prying deeply can damage the front-facing camera.

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In the following steps, use the flat of the opening pick, rather than a corner, to cut here. This will help prevent inserting the pick too deeply. Slide the opening pick up the right side of the phone to separate the display adhesive.
  • In the following steps, use the flat of the opening pick, rather than a corner, to cut here. This will help prevent inserting the pick too deeply.

  • Slide the opening pick up the right side of the phone to separate the display adhesive.

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Slide the opening pick around the upper-right corner and along the top edge of the phone. Slide the opening pick around the upper-right corner and along the top edge of the phone. Slide the opening pick around the upper-right corner and along the top edge of the phone.
  • Slide the opening pick around the upper-right corner and along the top edge of the phone.

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Slide the pick around the upper-left corner of the phone and down the left edge of the phone. Slide the pick around the upper-left corner of the phone and down the left edge of the phone. Slide the pick around the upper-left corner of the phone and down the left edge of the phone.
  • Slide the pick around the upper-left corner of the phone and down the left edge of the phone.

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Slide the pick around the bottom-left corner and along the bottom of the phone. Slide the pick around the bottom-left corner and along the bottom of the phone. Slide the pick around the bottom-left corner and along the bottom of the phone.
  • Slide the pick around the bottom-left corner and along the bottom of the phone.

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Reinsert the pick at the top edge of the phone and gently pry up the display. If the display doesn't readily lift, do some extra prying to separate the last of the adhesive. The adhesive near the upper speaker is thicker than other places.
  • Reinsert the pick at the top edge of the phone and gently pry up the display.

    • If the display doesn't readily lift, do some extra prying to separate the last of the adhesive. The adhesive near the upper speaker is thicker than other places.

  • Don't try to fully separate the display yet, as a fragile ribbon cable still connects it to the phone's motherboard.

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Carefully lay the display down on top of the rear case as shown, making sure not to crease or tear the display ribbon cable. Remove the two 4.0 mm T5 Torx screws securing the display cable bracket.
  • Carefully lay the display down on top of the rear case as shown, making sure not to crease or tear the display ribbon cable.

  • Remove the two 4.0 mm T5 Torx screws securing the display cable bracket.

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Remove the display cable bracket.
  • Remove the display cable bracket.

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Use the point of a spudger to lift the display cable connector up and out of its socket on the motherboard. To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.
  • Use the point of a spudger to lift the display cable connector up and out of its socket on the motherboard.

  • To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.

  • If any part of your screen doesn't respond to touch after your repair re-seat this connector, making sure it clicks fully into place and that there's no dust or other obstruction in the socket.

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  • Before installing a new display, it's very important to remove all traces of the old adhesive from the frame, while taking special care to remove any small glass fragments.

  • After removing all traces of glue and glass from the frame, clean the adhesion areas with high concentration isopropyl alcohol (at least 90%), then apply the new adhesive.

  • The best way to secure the new screen is with a sheet of custom-cut double-sided tape, but high-adhesion double-sided tape, like Tesa 61395, will work too. Apply the tape to the edges of the frame where the old adhesive was, align the screen, and press it into place.

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Remove 11 of the J000 3.5-mm screws by turning the screwdriver counterclockwise. Remove the single T5 4.0-mm screw by turning the screwdriver counterclockwise. Remove the single T5 4.0-mm screw by turning the screwdriver counterclockwise.
  • Remove 11 of the J000 3.5-mm screws by turning the screwdriver counterclockwise.

  • Remove the single T5 4.0-mm screw by turning the screwdriver counterclockwise.

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Pull the black protective sheet off by using the plastic opening tool.
  • Pull the black protective sheet off by using the plastic opening tool.

  • It is normal to hear popping noises as the sheet is detached from the phone body.

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Remove the silver ribbon connector that stretches over the battery by grabbing it with the tweezers and lifting up. Remove the gold ribbon connector by grabbing it with the tweezers and lifting up. Remove the gold ribbon connector by grabbing it with the tweezers and lifting up.
  • Remove the silver ribbon connector that stretches over the battery by grabbing it with the tweezers and lifting up.

  • Remove the gold ribbon connector by grabbing it with the tweezers and lifting up.

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Lift up the battery using the plastic opening tool. The battery is glued to the bottom, removing it will not damage the device. Remove the battery using your hand.
  • Lift up the battery using the plastic opening tool.

  • The battery is glued to the bottom, removing it will not damage the device.

  • Remove the battery using your hand.

  • Do not reuse the battery after it has been removed, as doing so is a potential safety hazard. Replace it with a new battery.

  • To install a new battery:

    • Remove any remaining adhesive from the phone, and clean the glued areas with isopropyl alcohol and a lint-free cloth.

    • Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the phone, not directly onto the battery.

    • Press the battery firmly into place for 5-10 seconds.

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Insert the 0.8 screwdriver head into the small hole on the left side of the phone until the SD card tray pops out. Remove the SD card tray with your hand. Remove the SD card tray with your hand.
  • Insert the 0.8 screwdriver head into the small hole on the left side of the phone until the SD card tray pops out.

  • Remove the SD card tray with your hand.

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Remove the two J000 2.5-mm screws by turning the screwdriver counterclockwise.
  • Remove the two J000 2.5-mm screws by turning the screwdriver counterclockwise.

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Remove the two gold ribbon connectors by grabbing them, one at a time, with tweezers and lifting up. Remove the two gold ribbon connectors by grabbing them, one at a time, with tweezers and lifting up. Remove the two gold ribbon connectors by grabbing them, one at a time, with tweezers and lifting up.
  • Remove the two gold ribbon connectors by grabbing them, one at a time, with tweezers and lifting up.

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Lift up the motherboard using the plastic opening tool. Pick up the motherboard with your hand.
  • Lift up the motherboard using the plastic opening tool.

  • Pick up the motherboard with your hand.

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Flip the motherboard over. Remove the gold ribbon connector that is connected to the fingerprint sensor by grabbing it with tweezers and lifting up. The motherboard is now completely detached from the phone.
  • Flip the motherboard over.

  • Remove the gold ribbon connector that is connected to the fingerprint sensor by grabbing it with tweezers and lifting up.

  • The motherboard is now completely detached from the phone.

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Flip the device over so that the display side is facing the ground. Use your hand to push the sensor button from the outside into the inside of the phone's shell.
  • Flip the device over so that the display side is facing the ground.

  • Use your hand to push the sensor button from the outside into the inside of the phone's shell.

  • Device may make a popping noise when you push the sensor through.

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Flip the device over again so that the display side is facing up. Use your hands to pull out the sensor.
  • Flip the device over again so that the display side is facing up.

  • Use your hands to pull out the sensor.

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Conclusão

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

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Taylor Sanders

Member since: 24-01-2018

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Equipe

Cal Poly, Team S18-G5, Livingston Winter 2018 Membro de Cal Poly, Team S18-G5, Livingston Winter 2018

CPSU-LIVINGSTON-W18S18G5

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