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Featured Guide

Difficulty

Moderate

Steps

26

Time Required

                          1 - 2 hours

Sections

5

  • Opening
  • 7 steps
  • Xiaomi Redmi Note 7 Battery Disconnect
  • 3 steps
  • Fingerprint Sensor Disconnect
  • 3 steps
  • Loudspeaker
  • 2 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 phone, 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.

You’ll need replacement adhesive to reattach components when reassembling the device.

What you need

Step 1

              Loosen the rear glass adhesive
  • Apply a heated iOpener to the rear glass to loosen the adhesive underneath. Apply the iOpener for at least two minutes.

Apply a heated iOpener to the rear glass to loosen the adhesive underneath. Apply the iOpener for at least two minutes.

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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 your rear glass 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 rear glass.
  • Lift the rear glass with the suction handle to create a small gap between the glass 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.
  • Slide the opening pick to the bottom right corner to slice the adhesive.

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

If your rear glass 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 rear glass.

Lift the rear glass with the suction handle to create a small gap between the glass 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.

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

Step 3

              Slice the bottom edge adhesive
  • Insert a second opening pick and slide it 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 and slide it 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 lefthand-side adhesive
  • If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener to reheat it.
  • Insert a third opening pick at the bottom left corner.
  • Slide the opening pick along the left edge of the phone to slice the rear glass adhesive.
  • Leave the opening pick in its place at 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 to reheat it.

Insert a third opening pick at the bottom left corner.

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

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

Step 5

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

Insert a fourth opening pick under the top left corner of the rear glass.

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

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

Step 6

              Slice the righthand-side adhesive
  • Insert a fifth opening pick at the top right corner of the phone.
  • Slide the opening pick along the right edge to slice the remaining adhesive.
  • Don’t try to remove the rear glass all the way yet. The fingerprint sensor is still connected to the motherboard.

Insert a fifth opening pick at the top right corner of the phone.

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

Don’t try to remove the rear glass all the way yet. The fingerprint sensor is still connected to the motherboard.

Step 7

              Open up the phone assembly
  • Carefully fold the rear glass to the left side of the phone assembly like you’d open the front cover of a book.
  • Avoid tensioning the fingerprint flex cable during this process.

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

Avoid tensioning the fingerprint flex cable during this process.

Step 8

              Unfasten the screws
  • Use a Phillips screw driver to remove the three 3.3 mm-long screws securing the connector cover to the midframe.

Use a Phillips screw driver to remove the three 3.3 mm-long screws securing the connector cover to the midframe.

Step 9

              Remove the connector cover
  • Use a pair of tweezers to remove the connector cover.

Use a pair of tweezers to remove the connector cover.

Step 10

              Disconnect the battery
  • Use the flat end of a spudger to pry up and disconnect the battery flex cable from the motherboard.

Use the flat end of a spudger to pry up and disconnect the battery flex cable from the motherboard.

Step 11

              Peel the protective foil off
  • For easier handling during repairs we highly recommend to separate the back cover including the fingerprint sensor from the phone assembly.
  • Use a pair of tweezers to carefully peel the yellow protective foil off the ZIF connector.

For easier handling during repairs we highly recommend to separate the back cover including the fingerprint sensor from the phone assembly.

Use a pair of tweezers to carefully peel the yellow protective foil off the ZIF connector.

Step 12

              Open the ZIF connector
  • Use the pointed end of a spudger to open the ZIF connector by bringing its black flap in an upright position.

Use the pointed end of a spudger to open the ZIF connector by bringing its black flap in an upright position.

Step 13

              Disconnect the fingerprint flex cable
  • Disconnect the fingerprint flex cable by pulling it straight out off the ZIF connector using a pair of tweezers.

Disconnect the fingerprint flex cable by pulling it straight out off the ZIF connector using a pair of tweezers.

Step 14

              Unfasten the screws
  • Use a Phillips screw driver to remove the eight 3.3 mm-long screws securing the loudspeaker assembly.

Use a Phillips screw driver to remove the eight 3.3 mm-long screws securing the loudspeaker assembly.

Step 15

              Remove the loudspeaker assembly
  • Slide an opening pick underneath the right edge of the loudspeaker assembly.
  • Use the opening pick to pry up the loudspeaker assembly.
  • Remove the loudspeaker assembly.

Slide an opening pick underneath the right edge of the loudspeaker assembly.

Use the opening pick to pry up the loudspeaker assembly.

Remove the loudspeaker assembly.

Step 16

              Unfasten the display connector cover screw
  • Use a Phillips screw driver to remove the 3.3 mm-long screw securing the display connector cover to the midframe.

Use a Phillips screw driver to remove the 3.3 mm-long screw securing the display connector cover to the midframe.

Step 17

              Remove the display connector cover
  • Use a pair of tweezers to remove the display connector cover.

Use a pair of tweezers to remove the display connector cover.

Step 18

              Disconnect the display flex cable
  • Use the flat end of a spudger to pry up and disconnect the display flex cable.

Use the flat end of a spudger to pry up and disconnect the display flex cable.

Step 19

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

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

Step 20

              Insert an iFlex
  • Once the screen is warm to touch, apply a suction cup to the bottom edge of the phone.
  • If your rear glass 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 rear glass.
  • Lift the screen with the suction handle to create a small gap between the screen and the frame.
  • Insert the tip of an iFlex in the gap between the midframe and the screen.

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

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

Insert the tip of an iFlex in the gap between the midframe and the screen.

Step 21

              Insert an opening pick
  • Insert the tip of an opening pick in the gap between the midframe and the screen, next to the iFlex.
  • Remove the iFlex.
  • Slide the opening pick to the bottom right corner to cut the adhesive. Leave it in its place to prevent the adhesive from resealing.

Insert the tip of an opening pick in the gap between the midframe and the screen, next to the iFlex.

Remove the iFlex.

Slide the opening pick to the bottom right corner to cut the adhesive. Leave it in its place to prevent the adhesive from resealing.

Step 22

              Cut 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 23

              Cut the lefthand-side adhesive
  • If the adhesive becomes hard to cut, it has most likely cooled down. Use your iOpener or heat gun to reheat it.
  • Insert a third opening pick under the bottom left corner of the phone.
  • Slide the opening pick up to the top left corner to cut the adhesive. Leave it in 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 to reheat it.

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

Slide the opening pick up to the top left corner to cut the adhesive. Leave it in to prevent the adhesive from resealing.

Step 24

              Cut the top edge adhesive
  • Insert a fourth opening pick at the top left corner.
  • Slide the opening pick along the top edge of the phone to cut 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 to avoid damaging or smearing the camera.

Insert a fourth opening pick at the top left corner.

Slide the opening pick along the top edge of the phone to cut 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 to avoid damaging or smearing the camera.

Step 25

              Cut the righthand-side adhesive
  • Insert a fifth opening pick and slide it along the right edge of the phone to cut the remaining adhesive.
  • Do not try to remove the display all the way yet, the display cable is still threaded through the frame and possibly adhered on the inner side of the midframe.

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

Do not try to remove the display all the way yet, the display cable is still threaded through the frame and possibly adhered on the inner side of the midframe.

Step 26

              Remove the screen
  • Thread the display flex cable through the gap in the midframe and remove the screen.
  • The upper speaker grill of the Redmi Note 7 is likely to fall off during this procedure. Avoid loosing it during the screen removal.

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

The upper speaker grill of the Redmi Note 7 is likely to fall off during this procedure. Avoid loosing it during the screen removal.

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

To reassemble your device, follow these instructions in reverse order. Apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

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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                                                                                      3 other people completed this guide.

Author

                    Dominik Schnabelrauch

Member since: 11/23/2016

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A M - May 21, 2022

Reply

This guide is just WRONG and useless.

He disconnect the battery cable and nothing else: if you try this, at step 18 you will just pull a flex cable that is still screwed. The correct ribbon is not the one near the battery connector shown in step 10, but the one on the left under the camera.

Guide shows he removes 3 screews, and these are just to disconnect the battery. After this, it is necessary to remove more screws and actually disconnect the display flex: 1 to free the small metal cover blocking the ribbon (similar to step 9) and 8 more screws on the bottom of the phone to free and remove the loudspeaker, which otherwise will block the display ribbon even if it was disconnected and the first screw I mentioned removed.

Dominik Schnabelrauch - May 23, 2022

Hi A M,

thank you for your feedback. You’re completely right. Some prereq guides for the screen guide were set to private and because of that not visible. I made them public and the full display removal procedure should be correct now. If you notice anything else that is wrong or I missed something, please let me know.