OnePlus 8 Daughterboard Replacement

Power off your phone and unplug any cables.

Heat an iOpener and apply it to the rear glass for two minutes.

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

Pull up on the suction handle with strong, steady force to create a gap between the rear glass and frame.

Insert an opening pick into the gap.

Slide the opening pick to the bottom right corner to slice the adhesive securing the rear glass.

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

Insert a second opening pick under the bottom edge of the rear glass, into the gap you just created.

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

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

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

Slide the opening pick up the left edge to slice the adhesive.

Leave the opening pick in the top left 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 to slice the adhesive.

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

Insert a fifth opening pick under the top right corner of the rear glass.

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

Remove the rear glass.

Secure the rear glass with pre-cut adhesive or double-sided adhesive tape.

After installing the rear glass, apply strong, steady pressure to your phone for several minutes to help the adhesive form a good bond.

Use a Phillips screwdriver to remove the eleven 3.3 mm-long screws securing the motherboard cover.

Insert the flat end of a spudger under the center of the motherboard cover's bottom edge.

Twist the spudger to release the clips.

Lever the motherboard cover up until you can grip it with your fingers.

Remove the motherboard cover.

Use a spudger to disconnect the battery cable by prying the connector straight up from its socket on the bottom left corner of the motherboard.

Use a Phillips driver to remove the seven 3.3 mm-long screws securing the loudspeaker.

Insert an opening pick underneath the center of the loudspeaker's top edge.

Pry up to release the clips securing the loudspeaker, levering it up until you can grip it with your fingers.

Remove the loudspeaker.

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

Press firmly to eject the tray.

Remove the SIM card tray from the phone.

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

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

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

Use the pointed end of a spudger to disconnect the black antenna cable by prying the connector straight up from its socket on the motherboard.

Use a pair of tweezers or your fingers to lift the black antenna cable out of its clip on the daughterboard.

Use the pointed end of a spudger to disconnect the white antenna cable by prying the connector straight up from its socket on the motherboard.

Use a pair of tweezers or your fingers to lift the white antenna cable out of its clip on the daughterboard.

During reassembly, make sure the antenna cables are pushed into their channels on the right edge of the phone before pressing them into their respective clips.

Use a Phillips driver to remove the single 3.3 mm-long screw securing the daughterboard.

Insert the point of a spudger under the top right corner of the daughterboard.

Pry up the daughterboard.

Use a pair of tweezers or your fingers to remove the daughterboard.