Samsung Galaxy M31 AMOLED Screen & Digitizer Replacement

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

Press firmly, but do not force excessively to avoid damaging the tray.

• The tray should eject freely once pressed.

Insert an opening pick between the phone assembly and the back cover at the bottom edge of the phone.

• Slide the opening pick around the bottom right corner to release the clips holding the back cover in place.

Insert a second opening pick into the gap at the bottom edge.

• Slide it towards the bottom left corner, releasing the plastic clips.

Insert the opening pick into the phone, sliding it along the left side of the device.

Be careful not to damage any internal components.

• The goal is to release the plastic clips on the left side of the back cover.

Use an opening pick to slide along the right edge of the phone.

This will help release the plastic clips holding the back cover in place.

The flex cable of the fingerprint sensor is prone to disconnection.

• Lift the phone assembly out of the back cover carefully, avoiding sudden movements that may damage the flex cable.

Before reassembling, power on your phone and test all functions with the back cover removed.

• Power down your phone completely before continuing work.

Remove seven Phillips #00 screws with a length of 3.9 mm.

Place the opening pick under the motherboard cover's top edge.

• Pry up the motherboard cover with the opening pick.
• Once removed, set aside the motherboard cover.

Use the flat end of a spudger to gently pry up the battery flex cable, then disconnect it.

Remove the eight Phillips #00 screws, each with a length of 3.9mm.

• Insert an opening pick under the top edge of the loudspeaker, near the interconnect flex cable.
• Pry up the loudspeaker using the opening pick.

Remove the loudspeaker.

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

Use the pointed end of a spudger to pry up the display flex connector from the midframe.

• If the connector doesn't come off easily, apply a heated iOpener to the bottom end of the screen.
• This will loosen the mild adhesive holding the connector in place.

Apply a iOpener to the screen and heat it for at least 2 minutes to loosen the adhesive.

• The iOpener should be heated until warm, not hot.

Warm up the screen by using the phone.

• Suction handle may not stick on cracked screens — use strong tape or superglue with caution.
• Apply suction handle to bottom edge of phone and lift screen slowly, creating a small gap between screen and frame.
• Insert opening pick into gap between midframe and screen at the top, then slide it down towards bottom right corner to cut adhesive.

Remove opening pick carefully before reassembling — excess adhesive may cause issues.

• Insert another opening pick into the opposite side of the screen.
• Slide the new pick to the bottom left corner and use it to sever the remaining adhesive.

Leave both picks in place to prevent re-adhesion.

Re-heat the iOpener and reapply if cutting is too difficult.

• Insert a third opening pick under the bottom left corner of the phone.
• Slide it up to the top left corner to cut the adhesive, then leave it in place to prevent resealing.

Insert a fourth opening pick at the top left corner.

• As you near the front facing camera, use only the tip of the pick to avoid damage or smearing.
• The speaker grill above the camera may fall off easily; handle with care to avoid losing it.

Slide the opening pick along the top edge to cut the adhesive. Leave the pick in the top right corner of the screen.

Insert a fifth opening pick and slide it along the right edge of the phone.

Try not to remove the display all the way yet, as it is still held onto the midframe by adhesive beneath its center.

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

Heat the iOpener and apply it to the screen's center.

• Allow the iOpener to heat for at least two minutes before proceeding.

Slide a plastic card under the right edge of the screen.

• Use the plastic card to cut the adhesive beneath the center of the screen by sliding it to the bottom edge.

• Be careful not to remove the display completely, as the cable is still threaded through the frame and may be stuck on the inner side of the midframe.

Locate the midframe's gap for the display flex cable.

• Thread the display flex cable through the identified gap.
• Ensure proper alignment to avoid damage.
• Remove the display after securing the cable.

Compare your new replacement part with the original part, noting any differences in remaining components or adhesive backings that may require removal or reattachment.

• Transfer any retained components from the old part to the new part.
• Remove adhesive backing strips if present on the new part.