Samsung Galaxy Note9 Front Sensor Array Replacement

• Insert the SIM card eject tool directly into the SIM card tray hole.
• Press to release the SIM card tray.

Remove the SIM card tray.

The SIM card may fall out during removal.

Disconnect power from your device.

• Apply heat using a hairdryer, heatgun, or an iOpener to the right edge of the back for approximately one minute.
• The adhesive will begin to soften during this time.

Apply a suction handle to the back cover.

• Lift with the suction handle to create a gap between the back cover and the frame of the phone.
• Insert an opening pick into the gap.
• If the glass is badly cracked, apply packing tape to create a surface for the suction cup to adhere to.

Do not apply excessive force if the adhesive won't budge — risk of breaking the glass.

Be cautious when cutting around the left edge near the fingerprint sensor to avoid damaging the internal ribbon cable.

• Take note of excess adhesive on top and camera bezel areas.
• Apply gentle heat, not excessive force, if adhesive is stubborn during removal.

Do not insert the opening pick more than halfway into the phone when cutting near the fingerprint sensor or cameras, as this may damage internal components.

• Cut the adhesive up and down the right side with an opening pick starting from the center.

Be careful near the corner, as the glass is very weak.

• Apply more heat at any time if the adhesive becomes stuck.
• Leave an opening pick in the upper-right corner.
• Use another opening pick to cut the adhesive around the bottom-right corner.

Leave that opening pick in the phone.

Apply gentle heat to the left side of the rear panel using a heat gun, hair dryer, or iOpener for 3 minutes.

• Target the adhesive underneath.

Careful not to damage surrounding components when working near corners.

• Insert an opening pick into the lower-left corner of the rear panel.
• Cut the adhesive along the left edge with another opening pick.
• Avoid inserting picks more than halfway near the fingerprint sensor to prevent damaging internal components.

It is normal for opening picks to fall out as the back cover separates.

Be cautious when using opening tools and heat — risk of damage.

• Insert the opening pick at the upper-left corner of the rear panel and carefully cut the adhesive.
• Use an iOpener, hair dryer, or heat gun as needed to apply heat for easier cutting.
• Remove remaining adhesive along the top edge of the phone using the opening pick and additional heat if required.

Do not remove the fingerprint sensor ribbon cable yet.

• Separate the right side of the rear cover first.
• Tilt the cover up along the left edge to expose the fingerprint sensor ribbon cable.
• The fingerprint sensor cover may still be attached to the midframe.

Use the tip of a spudger to carefully lift the fingerprint sensor ribbon cable out of its socket.

Remove the back cover.

• To re-install:
• Peel away remaining adhesive with tweezers, then clean adhesion areas with isopropyl alcohol (90%) and a lint-free cloth.
• No need to clear all old adhesive, just remove larger pieces.

Test your repair before reassembling.

• Apply new adhesive to the back cover, then:
• Line up one edge of the glass against the phone chassis and press firmly into place.

Remove the nine 4 mm screws from the upper midframe using a Phillips screwdriver.

Insert the spudger into the upper-left corner of the upper midframe.

• Pry the upper midframe away from the phone.
• Be aware that it may snap back into place.

Remove the wireless charging coil from the battery, beginning on the left side.

• If adhesive is present, use an opening pick to gently separate it, if necessary.

Reassembly: Snap the midframe into place before adhering the wireless charging coil.

Disconnect the orange ribbon cable from the motherboard using the tip of a spudger.

Remove the nine 4mm Phillips screws from the plastic cover next to the battery.

Remove the plastic cover located adjacent to the battery.

Insert the tip of a spudger into the top of the lower midframe.

• Pry the lower midframe out from the phone.
• The lower midframe snaps in and out of place.

• Be gentle, as excessive force may damage other components.

  Remove the lower midframe.

Use the tip of a spudger to carefully pry the front camera connector straight up and out of its socket.

• Pry the connector upwards using firm but gentle pressure.
• Once free, use tweezers to remove the front camera from the device.

• Disconnect the iris scanner using the tip of a spudger.
• Remove the iris scanner using tweezers.

Apply the flat end of a spudger to carefully pry out the front sensor connector from its socket.

Use the flat end of a spudger to disconnect the display cable from the motherboard.

Disconnect the touchscreen cable from the motherboard using the flat end of a spudger.

Disconnect the charging assembly using the flat end of a spudger.

Identify the motherboard screw locations marked by triangles next to the holes.

• Remove the three 4 mm Phillips screws securing the motherboard.

Do not pull the motherboard out if it becomes snagged on any cables.

• Use a spudger to gently lift the motherboard from the upper-left corner.
• Remove the motherboard carefully.
• Move the ribbon cables out of the way as necessary.

Do not rip or damage the foil — it may cause electrical issues.

• Use a pair of tweezers to carefully peel back the adhesive-backed copper foil.
• Continue peeling until you reach the sensor array.

Do not attempt to remove the front sensor array as it may be damaged.

• Lift the left side of the front sensor array using a spudger tip, separating the adhesive.
• The ribbon cable is still attached; proceed with caution to avoid damaging it further.

Insert an opening pick under the front sensor array ribbon cable.

Cut the adhesive underneath carefully to avoid damage.

Remove the front sensor array with a pair of tweezers.