Redmi Note 10 Logic Board Repair

Insert a SIM card eject tool, a SIM eject bit, or a straightened paper clip into the hole on the SIM tray located at the left edge of the phone.

Press directly into the hole to eject the SIM card tray.

Remove the SIM card tray.

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.

If the rear glass is cracked, the suction handle may not stick. Try [https://d3nevzfk7ii3be.cloudfront.net/igi/4MmKE22Cy2MavVZU|lifting it with strong tape|new_window=true], or superglue the suction handle in place and allow it to cure so you can proceed.

The surface of the rear glass is not completely smooth. For a better grip of the suction handle, apply tape to the rear glass or moisten the suction handle.

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

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

In case you have trouble creating a gap, apply more heat to further soften the adhesive. Follow the [https://www.ifixit.com/Guide/iOpener+Heating/25705|iOpener|new_window=true] instructions to avoid overheating.

Insert an opening pick into the gap you created.

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

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

Insert a second opening pick next to the top right corner.

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

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

If the adhesive becomes hard to cut, it has most likely cooled down. [https://www.ifixit.com/Guide/iOpener+Heating/25705|new_window=true|Use your iOpener] to reheat it.

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

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

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

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

Slide the opening pick up to the volume button.

Don't slide the opening pick any further! A flex cable runs next to the volume button.

Insert a sixth opening pick at the left edge of your phone next to the top end of the power and volume button cut out.

Slice the remaining adhesive of the left edge.

Slide the opening pick around the top left corner and along the top edge to cut the remaining adhesive.

Remove the rear glass.

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

Use a Phillips screwdriver to remove the seventeen screws securing the midframe:

Nine 4.4 mm-long screws in the upper area of the midframe

Eight 3.4 mm-long screws in the lower area of the midframe

The midframe is held in place by plastic clips.

Insert an opening pick between the midframe and front panel assembly on the bottom of the phone near the charging port.

Slide the opening pick to the bottom left corner to release the plastic clips.

Slide the opening pick along the left edge of your phone to release the plastic clips.

Slide the opening pick along the top edge to release the plastic clips.

Slide the opening pick along the right edge to release the remaining plastic clips.

Don't try to remove the midframe all the way yet! The side buttons are still connected to the motherboard by a flex cable.

Avoid straining the side button flex cable in the following step!

Carefully swing the midframe open in the direction of the power and volume buttons and place the midframe close to the phone assembly.

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

Remove the midframe.

Use a spudger to disconnect the battery 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.

Apply a [https://www.ifixit.com/Guide/iOpener+Heating/25705|heated iOpener|new_window=true] or a heat gun to the screen to loosen the adhesive underneath. Apply the iOpener for at least two minutes.

Once the screen is warm to touch, apply a suction cup to the left 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, [link|https://d3nevzfk7ii3be.cloudfront.net/igi/4MmKE22Cy2MavVZU|very strong tape|new_window=true] 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.

Slide the opening pick to the bottom left corner of the screen to slice its adhesive.

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

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

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

If the adhesive becomes hard to cut, it has most likely cooled down. [https://www.ifixit.com/Guide/iOpener+Heating/25705|new_window=true|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 bottom edge of the screen to slice the adhesive.

Leave it in the bottom right corner to prevent the adhesive from resealing.

Insert a fourth opening pick at the bottom right 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 to avoid damaging or smearing the camera.

Insert a fifth opening pick and slide it along the top 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.

Thread the display flex cable through the gap in the midframe.

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, [https://www.ifixit.com/Guide/How+to+Use+a+Pre-Cut+Adhesive+Sheet/113604|follow this guide|new_window=true] in case you're using a pre-cut adhesive card.