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Difficulty

Moderate

Steps

24

Time Required

                          1 - 2 hours

Sections

3

  • Xiaomi Redmi Note 8 Opening Procedure
  • 8 steps
  • How to Disconnect the Battery in the Xiaomi Redmi Note 8
  • 5 steps
  • Screen
  • 11 steps

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Introduction

If the frame is deformed, it’s important to replace it to make sure the new screen will mount correctly and won’t suffer damage from uneven pressure.

Before disassembling your device, discharge the battery below 25%. The battery can catch fire and/or explode if accidentally punctured, but the chances of that happening are much lower if discharged.

Note: This guide instructs you to replace only the screen while leaving the original frame and motherboard in place. However, some replacement screens for this phone come pre-installed in a new frame (a.k.a. chassis), which requires a very different procedure. Make sure you have the correct part before starting this guide.

Before you begin this procedure, be sure to have a set of replacement adhesives for both the back panel and the screen.

What you need

Step 1

              Heat the rear glass
  • Prepare an iOpener and apply it to the rear glass for at least two minutes to loosen the adhesive underneath.
  • A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

Prepare an iOpener and apply it to the rear glass for at least two minutes to loosen the adhesive underneath.

A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

1024

Step 2

              Insert an opening pick
  • Secure a suction handle to the bottom edge of the rear glass, as close to the edge as possible.
  • If the rear glass is cracked, the suction handle may not stick. Try lifting it with strong tape, or superglue the suction handle in place and allow it to cure so you can proceed.
  • Lift the rear glass with the suction handle to create a small gap between the back cover and the frame.
  • In case you have trouble creating a gap, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating.
  • Insert an opening pick into the gap you created.
  • Slide the opening pick to the bottom right corner to slice the adhesive.
  • Leave the opening pick in place to prevent the adhesive from resealing.

Secure a suction handle to the bottom edge of the rear glass, as close to the edge as possible.

If the rear glass is cracked, the suction handle may not stick. Try lifting it with strong tape, or superglue the suction handle in place and allow it to cure so you can proceed.

Lift the rear glass with the suction handle to create a small gap between the back cover and the frame.

In case you have trouble creating a gap, apply more heat to further soften the adhesive. Follow the iOpener instructions to avoid overheating.

Insert an opening pick into the gap you created.

Slide the opening pick to the bottom right corner to slice the adhesive.

Leave the opening pick in place to prevent the adhesive from resealing.

Step 3

              Slice the adhesive
  • Insert a second opening pick at the bottom edge of your phone.
  • Slide the opening pick to the bottom left corner to slice the adhesive.
  • Leave the opening picks in place to prevent the adhesive from resealing.

Insert a second opening pick at the bottom edge of your phone.

Slide the opening pick to the bottom left corner to slice the adhesive.

Leave the opening picks in place to prevent the adhesive from resealing.

Step 4

              Slice the adhesive
  • If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener for one to two minutes to reheat it.
  • Insert a third opening pick at the bottom left corner of your phone.
  • Slide the opening pick along the left edge of your phone to slice the adhesive.
  • Leave the opening pick in the top left corner to prevent the adhesive from resealing.

If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener for one to two minutes to reheat it.

Insert a third opening pick at the bottom left corner of your phone.

Slide the opening pick along the left edge of your phone to slice the adhesive.

Leave the opening pick in the top left corner to prevent the adhesive from resealing.

Step 5

  • Insert a fourth opening pick underneath the top left corner of your phone.
  • Slide the opening pick along the top edge to slice the adhesive.
  • Leave the opening pick in the top right corner to prevent the adhesive from resealing.

Insert a fourth opening pick underneath the top left corner of your phone.

Slide the opening pick along the top edge to slice the adhesive.

Leave the opening pick in the top right corner to prevent the adhesive from resealing.

Step 6

  • Insert a fifth opening pick underneath the top right corner.
  • Slide the opening pick along the right edge of the rear glass to slice the remaining adhesive.
  • Don’t try to remove the rear glass all the way yet. The camera cover and fingerprint assembly is still adhered to its back.

Insert a fifth opening pick underneath the top right corner.

Slide the opening pick along the right edge of the rear glass to slice the remaining adhesive.

Don’t try to remove the rear glass all the way yet. The camera cover and fingerprint assembly is still adhered to its back.

Step 7

              Open your phone
  • Carefully fold the rear glass to the right side of the phone assembly like you’d open the back cover of a book.
  • Avoid straining the finger print cable during this procedure.

Carefully fold the rear glass to the right side of the phone assembly like you’d open the back cover of a book.

Avoid straining the finger print cable during this procedure.

Step 8

              Disconnect the fingerprint reader
  • Use a spudger to disconnect the fingerprint reader by prying the connector straight up from its socket.
  • Remove the rear glass assembly.

Use a spudger to disconnect the fingerprint reader by prying the connector straight up from its socket.

Remove the rear glass assembly.

Step 9

              Unfasten the motherboard cover screws
  • Use screwdriver to remove the eleven screws securing the motherboard cover:
  • Ten 3.9 mm-long Phillips screws
  • One 3.4 mm-long Phillips screw

Use screwdriver to remove the eleven screws securing the motherboard cover:

Ten 3.9 mm-long Phillips screws

One 3.4 mm-long Phillips screw

Step 10

              Pry up the motherboard cover
  • Insert the tip of an opening pick underneath the bottom left edge of the motherboard cover.
  • Do not insert the opening pick deeper than 3-4 mm to prevent damaging the motherboard.
  • Slide the opening pick along the left edge of the motherboard cover to unhinge the plastic clips and pry it up.

Insert the tip of an opening pick underneath the bottom left edge of the motherboard cover.

Do not insert the opening pick deeper than 3-4 mm to prevent damaging the motherboard.

Slide the opening pick along the left edge of the motherboard cover to unhinge the plastic clips and pry it up.

Step 11

  • Insert the tip of an opening pick underneath the bottom right edge of the motherboard cover.
  • Slide the opening pick along the right edge of the motherboard cover to unhinge the plastic clips and pry it up.

Insert the tip of an opening pick underneath the bottom right edge of the motherboard cover.

Slide the opening pick along the right edge of the motherboard cover to unhinge the plastic clips and pry it up.

Step 12

              Remove the motherboard cover
  • Remove the motherboard cover.

Remove the motherboard cover.

Step 13

              Disconnect the battery
  • Use a spudger to disconnect the battery cable by prying the connector straight up from its socket.

Use a spudger to disconnect the battery cable by prying the connector straight up from its socket.

Step 14

              Disconnect the display flex cable
  • Use a spudger to disconnect the display flex cable by prying the connector straight up from its socket.

Use a spudger to disconnect the display flex cable by prying the connector straight up from its socket.

Step 15

              Unfasten the daughterboard cover screws
  • Use a Phillips screwdriver to remove the seven 3.9 mm-long screws securing the daughterboard cover.

Use a Phillips screwdriver to remove the seven 3.9 mm-long screws securing the daughterboard cover.

Step 16

              Pry up the daughterboard cover
  • Slide the tip of an opening pick (about 3-4 mm) underneath the top right edge of the daughterboard cover.
  • Twist the opening pick sideways to pry up the daughterboard cover including the loudspeaker.

Slide the tip of an opening pick (about 3-4 mm) underneath the top right edge of the daughterboard cover.

Twist the opening pick sideways to pry up the daughterboard cover including the loudspeaker.

Step 17

              Remove the daughterboard cover
  • Remove the daughterboard cover and loudspeaker assembly.

Remove the daughterboard cover and loudspeaker assembly.

Step 18

              Loosen the display adhesive
  • Apply a heated iOpener to the screen for at least two minutes or use a heat gun to soften the adhesive underneath.

Apply a heated iOpener to the screen for at least two minutes or use a heat gun to soften the adhesive underneath.

Step 19

              Insert an opening pick
  • Once the screen is warm to touch, apply a suction cup to the bottom edge of the phone.
  • If your screen is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere. Alternatively, very strong tape may be used instead of the suction cup. If all else fails, you can superglue the suction cup to the screen.
  • Lift the screen with the suction handle to create a small gap between the screen and the midframe.
  • Insert an opening pick in the gap between the midframe and the screen.
  • In case you only want to replace the display glass but not the LCD and digitizer you need to be especially carful during the next step. There’s a small cable at the bottom right end of the LCD which is very fragile. Only slide with the very tip of your opening pick (about 1-2 mm).
  • Slide the opening pick to the bottom right corner of the screen to slice its adhesive. Leave the opening pick in place to prevent the adhesive from resealing.

Once the screen is warm to touch, apply a suction cup to the bottom edge of the phone.

If your screen is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere. Alternatively, very strong tape may be used instead of the suction cup. If all else fails, you can superglue the suction cup to the screen.

Lift the screen with the suction handle to create a small gap between the screen and the midframe.

Insert an opening pick in the gap between the midframe and the screen.

In case you only want to replace the display glass but not the LCD and digitizer you need to be especially carful during the next step. There’s a small cable at the bottom right end of the LCD which is very fragile. Only slide with the very tip of your opening pick (about 1-2 mm).

Slide the opening pick to the bottom right corner of the screen to slice its adhesive. Leave the opening pick in place to prevent the adhesive from resealing.

Step 20

              Slice the adhesive
  • Insert a second opening pick and slide it to the bottom left corner of the screen to cut the adhesive.
  • Leave the opening picks in place to prevent the adhesive from resealing.

Insert a second opening pick and slide it to the bottom left corner of the screen to cut the adhesive.

Step 21

  • If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener or heat gun for 1-2 minutes to reheat it.
  • Insert a third opening pick underneath the bottom left corner of the screen.
  • Slide the opening pick along the left edge of the screen to slice the adhesive. Leave it in the top left corner to prevent the adhesive from resealing.

If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener or heat gun for 1-2 minutes to reheat it.

Insert a third opening pick underneath the bottom left corner of the screen.

Slide the opening pick along the left edge of the screen to slice the adhesive. Leave it in the top left corner to prevent the adhesive from resealing.

Step 22

  • When you slice near the front facing camera, insert only the tip of the opening pick (about 3-4 mm) to avoid damaging or smearing the camera.
  • Insert a fourth opening pick at the top left corner of the screen.
  • Slide the opening pick along the top edge of the phone to slice the adhesive.
  • Leave the opening pick in the top right corner of the screen to prevent the adhesive from resealing.

When you slice near the front facing camera, insert only the tip of the opening pick (about 3-4 mm) to avoid damaging or smearing the camera.

Insert a fourth opening pick at the top left corner of the screen.

Slide the opening pick along the top edge of the phone to slice the adhesive.

Leave the opening pick in the top right corner of the screen to prevent the adhesive from resealing.

Step 23

  • Insert a fifth opening pick and slide it along the right edge of the phone to slice the remaining adhesive.
  • Do not try to remove the display all the way yet, the display cable is still threaded through the frame.

Insert a fifth opening pick and slide it along the right edge of the phone to slice the remaining adhesive.

Do not try to remove the display all the way yet, the display cable is still threaded through the frame.

Step 24

              Remove the screen
  • Thread the display flex cable through the gap in the midframe and remove the screen.
  • Compare your new replacement part to the original part—you may need to transfer remaining components like the speaker grill from your old screen to your new screen.
  • Apply new adhesive where it’s necessary after cleaning the relevant areas with isopropyl alcohol (>90%).
  • During reassembly, follow this guide in case you’re using a pre-cut adhesive card.

Thread the display flex cable through the gap in the midframe and remove the screen.

Compare your new replacement part to the original part—you may need to transfer remaining components like the speaker grill from your old screen to your new screen.

Apply new adhesive where it’s necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

During reassembly, follow this guide in case you’re using a pre-cut adhesive card.

If possible, turn on your device and test your repair before installing new adhesive and resealing.

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

The best way to secure the new screen is to apply a sheet of custom-cut double-sided tape to the back of the screen.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

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