iPhone 15 Logic Board Repair

Allow your phone's battery to drain below 25%, as a charged lithium-ion battery is a potential safety hazard.

Unplug any cables from your phone.

Hold the power and either volume buttons and slide to power off your phone.

If your screen or back glass is badly cracked, lay overlapping strips of packing tape over the glass to protect yourself and make disassembly easier.

Make sure there's a smooth area near the bottom edge that's big enough for a suction cup to stick to.

If inserted too far, an opening pick can damage your device. Follow this step to mark your pick and prevent damage.

Measure 3 mm from the tip and mark the opening pick with a permanent marker.

You can also mark the other corners of the pick with different measurements.

Alternatively, [link|https://guide-images.cdn.ifixit.com/igi/pQGATIGUbViSB4gB.full|tape a coin to a pick|new_window=true] 3 mm from the tip.

Use a P2 pentalobe driver to remove the two 7.7 mm-long screws on either side of the charging port.

Use a [guide|157348|hair dryer|new_window=true] or [guide|151116|heat gun|new_window=true] to heat the bottom edge of the screen until it's hot to the touch.

Be careful not to heat the phone hotter than this—the battery is susceptible to heat damage.

Apply a suction handle to the bottom edge of the screen.

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

Insert the tip of an opening pick into the gap.

As you slice the adhesive securing the screen in the next steps, be careful of the following areas:

There are two delicate cables connecting the screen to the phone, one just above the mute switch, and the other about halfway between the volume down button and the bottom of the phone.

There are multiple spring contacts around the perimeter of the phone. Be extra careful not to insert your pick deeper than suggested in these locations to avoid bending the contacts.

Don't insert your opening pick deeper than ***3 mm*** along the bottom edge.

Slide your pick back and forth along the bottom edge to separate the adhesive.

Leave your pick inserted in the bottom right corner to prevent the adhesive from re-sealing.

Heat the right edge of the screen until it's hot to the touch.

Don't insert your pick deeper than ***5 mm*** along the right edge.

Slide your pick around the bottom right corner of the screen and toward the power button until you feel a hard stop at a clip securing the screen.

Rotate your pick so the flat edge is under the screen.

Hold the pick with one hand and twist it to increase the gap between the screen and the frame and release the right clip.

Insert a second opening pick to the right of the first one.

Slide the first pick back to the bottom right corner of the screen.

Slide the second pick to the top right corner of the screen to separate the adhesive.

Leave these picks inserted to prevent the adhesive from resealing.

Heat the top edge of the screen until it's hot to the touch.

Don't insert your pick deeper than ***3 mm*** along the top edge.

Insert a third opening pick in the top right corner, just above the previous pick.

Slide your pick around the top right corner and along the top edge until you feel it stop against the top left screen clip.

Rotate your pick so its flat edge is under the screen.

Twist your pick to release the top left screen clip.

Slide your pick to the top left corner.

Heat the left edge of the screen until it's hot to the touch.

Don't insert your pick deeper than ***3 mm*** along the left edge to avoid the [link|https://guide-images.cdn.ifixit.com/igi/GtoejZGWPCCYjC2L.huge|two cables connecting the screen to the phone|new_window=true].

Slide your pick around the top left corner of the screen and along the left edge to release the clips and separate the adhesive securing it.

Gently swing open the screen over the left edge of the phone.

If the screen feels stuck, go back around the perimeter to check for missed sections of adhesive or stuck clips.

Use a tri-point Y000 driver to remove the 0.9 mm-long screw securing the front sensor connector cover.

Use [product|IF145-020|tweezers] to lift the cover to a 90-degree angle.

Unhook the cover from its slot in the logic board.

Remove the cover.

During reassembly, insert the cover at a 90-degree angle to re-engage the hook before laying it flat against the press connector.

Use the tip of an opening pick to pry up and disconnect the front sensor press connector.

To reconnect a [guide|25629|press connector|stepid=70308|new_window=true], align it over its socket and gently press down on one side until it clicks into place, then press down on the other side.

Use your tri-point Y000 driver to remove the 0.9 mm‑long screw securing the screen connector cover.

Use tweezers to lift the cover and unlatch it from its hook on the logic board.

Remove the cover.

Use the tip of an opening pick to pry up and disconnect the screen press connector.

Remove the screen.

During reassembly, [guide|93983|use this guide|new_window=true] to reapply adhesive and install your new screen.

Be careful not to damage any of the [link|https://guide-images.cdn.ifixit.com/igi/CaRm2SCSnETPoO2w.huge|spring contacts|new_window=true] as you clean the frame.

Flip your phone over and lay it on a soft surface, such as a [product|IF145-284|microfiber cloth], to protect its internals as you work.

Use a [guide|157348|hair dryer|new_window=true] or [guide|151116|heat gun|new_window=true] to heat the bottom edge of the back glass until it's hot to the touch.

Be careful not to heat the phone hotter than this—the battery is susceptible to heat damage.

Apply a suction handle to the bottom edge of the back glass.

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

Insert the tip of an opening pick into the gap.

As you slice the adhesive securing the back glass in the next steps, be careful of the following areas:

There's a delicate cable connecting the back glass to the phone, right next to the volume down button. Don't insert your pick here to avoid slicing the cable.

There are multiple spring contacts around the perimeter of the phone. Be extra careful not to insert your pick deeper than suggested in each step to avoid bending these contacts.

Don't insert your opening pick deeper than ***5 mm*** along the bottom edge.

Slide your pick back and forth along the bottom edge to separate the adhesive.

Leave your pick inserted in the bottom right corner to prevent the adhesive from re-sealing.

Heat the right edge of the back glass until it's hot to the touch.

Don't insert your pick deeper than ***7 mm*** along the right edge.

Rotate your pick around the bottom right corner and slide it to the volume down button or until you feel a hard stop at a large clip securing the back glass.

Don't slice past the volume buttons to avoid damaging the wireless charging cable.

Leave this pick inserted to prevent the adhesive from resealing.

Heat the left edge of the back glass until it's hot to the touch.

Along the left edge, don't insert your pick deeper than ***5 mm***.

Insert a second opening pick at the bottom edge.

Rotate the second pick around the bottom left corner.

Slide this pick up to the top left corner to separate the adhesive.

Leave this pick inserted to prevent the adhesive from resealing.

Heat the top edge of the back glass until it's hot to the touch.

Don't insert your pick deeper than ***3 mm*** along the top edge.

Rotate your second opening pick around the top left corner and slide it to the top right corner to separate the adhesive.

You might hear and feel clicks as the top two clips release.

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

Heat the top right corner of the back glass until it's hot to the touch.

Don't insert your pick deeper than ***4 mm*** along the right edge.

Rotate the second opening pick around the top right corner and slide it to the volume up button to separate the adhesive.

Gently swing open the back glass to the right of the phone.

If the back glass feels stuck, go back around the perimeter to check for missed sections of adhesive or stuck clips.

Rest the back glass against a raised surface so it doesn't strain the cable.

Throughout this repair, [product|IF145-491|keep track of each screw|new_window=true] and make sure it goes back exactly where it came from.

Use a tri-point Y000 driver to remove the two 1.3 mm-long screws securing the lower connector cover.

Use [product|IF145-020|tweezers] to slide the cover toward the top of the phone to unlatch it from the logic board.

Remove the cover.

During reassembly, latch the top edge of the cover onto its slot on the logic board before securing it with its screw.

Hold the back glass upright with one hand and rotate it just enough to reveal the [link|https://guide-images.cdn.ifixit.com/igi/QJOPRvBZjTGUfar6.full|battery press connector|new_window=true] just below the volume buttons.

Use the tip of an opening pick to pry up and disconnect the battery press connector from the logic board.

A plus and minus sign is printed on the head of this connector.

To reconnect a [guide|25629|press connector|stepid=70308|new_window=true], align it over its socket and gently press down on one side until it clicks into place, then press down on the other side. Make sure it sits flat, as the insulating rubber around the sockets might prevent it from connecting fully.

Use your tri-point Y000 driver to remove the 0.9 mm-long screw securing the middle connector cover.

Use the flat end of a spudger or your finger to push the cover toward the bottom of the phone and unclip its top edge.

Remove the cover.

During reassembly, place the cover so its tab is just behind the [link|https://guide-images.cdn.ifixit.com/igi/XH2byZASbVQkD4b5.huge|clip on the logic board|new_window=true]. Press down with one finger and slide the cover forward to engage the clip.

Use an opening pick to pry up and disconnect the wireless charging coil and NFC connector.

Remove the back glass.

During reassembly:

This is a good point to test your repair before sealing up your phone. Temporarily reconnect the battery and back glass, power on your phone, and make sure it works as expected. Power it back down and continue reassembly.

Use your tri-point Y000 driver to remove the two 1.3 mm‑long screws securing the upper connector cover.

Remove the cover.

Use the tip of an opening pick to pry up and disconnect the antenna, front sensors, and front camera press connectors (three connectors in total).

Use [product|IF145-020|tweezers] or your fingers to pull the front camera and sensors out of their recess in the frame and remove them.

Use the tip of an opening pick to pry up and disconnect the earpiece speaker press connector.

Use a Phillips #000 driver to remove the five screws securing the earpiece speaker:

Two 1.1 mm‑long screws

Three 1.6 mm‑long screws

Use [product|IF145-020|tweezers] or your fingers to lift and pull the earpiece speaker away from the top of the phone to free the gasket from the frame.

Remove the earpiece speaker.

Light adhesive secures the battery cable to the logic board.

Slide an opening pick under the battery cable to separate it from the logic board.

Be careful not to crease the cable or dent the battery with your tool.

Use the tip of an opening pick to pry up and disconnect the volume buttons press connector.

Disconnect the power button press connector.

Disconnect the rear cameras and antenna press connectors (three connectors in total).

Disconnect the eSIM, Taptic Engine, and charging port press connectors (three connectors in total).

Use your [product|IF145-388|standoff driver|new_window=true] to remove the five standoff screws securing the logic board:

One 2.9 mm screw

One 3.9 mm screw

Three 3.5 mm screws

If you don't have a standoff driver, you may use a thin flathead driver—but be careful not to strip the shallow notches in the screw heads.

Grip the top edge of the logic board and gently pull it out from under the cables.

Remove the logic board.

During reassembly, make sure [link|https://guide-images.cdn.ifixit.com/igi/wSZhjIahlC2Hn3Py.huge|all nine press connectors|new_window=true] (including the small volume buttons cable) are above the logic board.