iPhone 15 Logic Board Replacement
Use this guide to remove or replace the logic board in an iPhone 15.
You'll need replacement back glass and screen adhesive to complete this repair.
If the battery is swollen, take appropriate precautions and follow this guide to replace it.
Due to Apple's parts pairing restrictions, much of your iPhone's functionality depends on the logic board. If you use all genuine parts, run Apple's Repair Assistant (introduced in iOS 18) to avoid any issues. Otherwise, to retain full functionality, you must also replace the following parts with ones that are paired to the replacement logic board:
- Screen (to retain True Tone and Auto-Brightness)
- Front Camera and Sensors (most functionality)
- Battery (to retain battery health data)
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Werkzeuge
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Hair Dryer Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Heat Gun Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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iFixit Opening Picks (Set of 6) Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Isopropyl Alcohol Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Microfiber Cleaning Cloths Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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P2 Pentalobe Screwdriver iPhone Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Packing Tape Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Phillips #000 Screwdriver Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Spudger Verfügbarkeit: Bestellbar Im Shop ansehen →
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Standoff Screwdriver for iPhones Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Suction Handle Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Tri-point Y000 Screwdriver Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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Tweezers Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
Ersatzteile
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iPhone 15 Display Assembly Adhesive Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
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iPhone 15 Rear Panel Adhesive Verfügbarkeit: Externe Bezugsquelle Bei iFixit kaufen →
Anleitung
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Prepare your phone for disassembly
Unplug any cables from your phone.
Hold the power and either volume buttons and slide to power off your phone.
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Tape over any cracks
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.
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Mark your opening picks
Measure 3 mm from the tip and mark the opening pick with a permanent marker.
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Remove the pentalobe screws
Use a P2 pentalobe driver to remove the two 7.7 mm-long screws on either side of the charging port.
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Heat the bottom edge
Use a hair dryer or heat gun to heat the bottom edge of the screen until it's hot to the touch.
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Insert an opening pick
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.
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Screen information
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.
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Separate the bottom edge adhesive
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.
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Heat the right edge
Heat the right edge of the screen until it's hot to the touch.
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Position the opening pick
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.
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Release the right clip
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.
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Separate the right edge adhesive
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.
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Heat the top edge
Heat the top edge of the screen until it's hot to the touch.
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Separate the top right corner adhesive
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.
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Release the top edge clips
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.
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Heat the left edge
Heat the left edge of the screen until it's hot to the touch.
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Separate the left edge adhesive
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.
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Swing open the screen
Gently swing open the screen over the left edge of the phone.
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Unfasten the front sensor connector cover
Use a tri-point Y000 driver to remove the 0.9 mm-long screw securing the front sensor connector cover.
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Remove the cover
Use tweezers to lift the cover to a 90-degree angle.
Unhook the cover from its slot in the logic board.
Remove the cover.
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Disconnect the front sensor
Use the tip of an opening pick to pry up and disconnect the front sensor press connector.
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Unfasten the screen connector cover
Use your tri-point Y000 driver to remove the 0.9 mm‑long screw securing the screen connector cover.
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Remove the cover
Use tweezers to lift the cover and unlatch it from its hook on the logic board.
Remove the cover.
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Disconnect the screen
Use the tip of an opening pick to pry up and disconnect the screen press connector.
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Remove the screen
Remove the screen.
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Flip your iPhone over
Flip your phone over and lay it on a soft surface, such as a microfiber cloth, to protect its internals as you work.
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Heat the bottom edge
Use a hair dryer or heat gun to heat the bottom edge of the back glass until it's hot to the touch.
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Insert an opening pick
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.
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Back glass information
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.
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Separate the bottom edge adhesive
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.
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Heat the right edge
Heat the right edge of the back glass until it's hot to the touch.
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Separate the bottom right corner adhesive
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.
Leave this pick inserted to prevent the adhesive from resealing.
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Heat the left edge
Heat the left edge of the back glass until it's hot to the touch.
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Separate the left edge adhesive
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.
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Heat the top edge
Heat the top edge of the back glass until it's hot to the touch.
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Separate the top edge adhesive
Rotate your second opening pick around the top left corner and slide it to the top right corner to separate the adhesive.
Leave this pick in place to prevent the adhesive from resealing.
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Heat the top right corner
Heat the top right corner of the back glass until it's hot to the touch.
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Separate the top right corner adhesive
Rotate the second opening pick around the top right corner and slide it to the volume up button to separate the adhesive.
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Open the back glass
Gently lift and swing open the back glass to the right of the phone.
Rest the back glass against a raised surface so it doesn't strain the cable.
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Unfasten the lower connector cover
Use a tri-point Y000 driver to remove the two 1.3 mm-long screws securing the lower connector cover.
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Remove the lower connector cover
Use tweezers to slide the cover toward the top of the phone to unlatch it from the logic board.
Remove the cover.
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Disconnect the battery
Hold the back glass upright with one hand and rotate it just enough to reveal the battery press connector 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.
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Unfasten the middle connector cover
Use your tri-point Y000 driver to remove the 0.9 mm-long screw securing the middle connector cover.
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Remove the 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.
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Disconnect the wireless charging coil
Use an opening pick to pry up and disconnect the wireless charging coil and NFC connector.
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Remove the back glass
Remove the back glass.
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Remove the upper connector cover
Use your tri-point Y000 driver to remove the two 1.3 mm‑long screws securing the upper connector cover.
Remove the cover.
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Disconnect the front camera and sensors
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).
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Remove the front camera and sensors
Use tweezers or your fingers to pull the front camera and sensors out of their recess in the frame and remove them.
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Disconnect the earpiece speaker
Use the tip of an opening pick to pry up and disconnect the earpiece speaker press connector.
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Unfasten the earpiece speaker
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
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Remove the earpiece speaker
Use 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.
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Separate the battery cable
Slide an opening pick under the battery cable to separate it from the logic board.
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Disconnect the volume buttons
Use the tip of an opening pick to pry up and disconnect the volume buttons press connector.
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Disconnect the power button
Disconnect the power button press connector.
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Disconnect the rear cameras and antenna
Disconnect the rear cameras and antenna press connectors (three connectors in total).
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Disconnect the eSIM, Taptic Engine, and charging port
Disconnect the eSIM, Taptic Engine, and charging port press connectors (three connectors in total).
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Unfasten the logic board
Use your standoff driver to remove the five standoff screws securing the logic board:
One 2.9 mm‑long screw
One 3.9 mm‑long screw
Three 3.5 mm‑long screws
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Remove the logic board
Grip the top edge of the logic board and gently pull it out from under the cables.
Remove the logic board.
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End of disassembly
Congratulations on completing disassembly! The remaining steps will show you how to reassemble your device.
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Place the logic board
Slide the logic board into its slot in the frame, making sure the nine press connectors are above the logic board.
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Install the logic board screws
Use your standoff driver to install the five standoff screws securing the logic board:
One 2.9 mm‑long screw
One 3.9 mm‑long screw
Three 3.5 mm‑long screws
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Connect the press connectors
Use your spudger or your fingers to connect the eight press connectors:
The power button
The volume button
The rear cameras and antenna (three connectors in total)
The eSIM
The Taptic Engine
The charging port
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Place the earpiece speaker
Align the gasket on the earpiece speaker with its sound channel.
Press the earpiece speaker onto the frame so it lies flat.
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Install the earpiece speaker screws
Use a Phillips #000 driver to install the five screws securing the earpiece speaker:
Two 1.1 mm‑long screws
Three 1.6 mm‑long screws
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Install the front camera assembly
Slide the front camera assembly into its recess in the frame.
Set the assembly down so it lies flat.
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Connect the assemblies
Use the flat end of a spudger or your finger to connect the front camera and earpiece speaker press connectors.
If the iPhone has a mmWave antenna, connect it as well.
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Install the upper connector cover
Place the cover over the logic board and align its screw holes.
Use your tri-point Y000 driver to install the two 1.3 mm‑long screws securing the upper connector cover.
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Remove the back glass adhesive
Use the pointed end of a spudger to press and roll the adhesive until you can grip it with a pair of tweezers.
Use the tweezers to pull the adhesive off of the phone.
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Step 70
Wrap a microfiber or lint-free cloth around the pointed end of a spudger and apply a few drops of high-concentration (greater than 90%) isopropyl alcohol to the cloth.
Wipe in one direction along the perimeter of the frame to clean the adhesive residue.
Wait a few minutes before proceeding to make sure any excess alcohol has evaporated.
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Orient the adhesive
Lay the adhesive next to the phone and use features like cutouts for spring contacts and the rear camera to make sure the adhesive is oriented correctly.
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Apply the adhesive
Use the pull tab to begin peeling the back liner off the adhesive starting from the bottom, but don't remove the liner all the way.
Hold the liner out of the way and align the adhesive with the bottom edge of the iPhone.
Lay the bottom edge of the adhesive into its recess in the frame, making sure the iPhone's spring contacts are aligned with their cutouts in the liner.
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Step 73
When the adhesive is aligned, use the flat end of a spudger or your finger to press it down firmly along the bottom edge.
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Step 74
Continue peeling the back liner off of the adhesive while pressing the adhesive into place along the edges of the iPhone's frame.
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Press the adhesive into place
Make sure the liner is aligned properly by checking that all spring contacts and the rear camera are in their cutouts. If they aren't, remove the adhesive and start over with a new sheet.
Use the flat end of a spudger to press the adhesive into place around the perimeter of the frame.
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Remove the top liner
Remove the top adhesive liner.
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Prop up the back glass
Prop up the back glass along the right edge of the iPhone, using a box or similar sturdy object to support the screen.
Use the flat end of a spudger or your finger to connect the wireless charging coil press connector, then the battery press connector.
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Place the middle connector cover
Place the middle connector cover over the wireless charging coil press connector so it slightly overhangs the slot on the logic board for the bottom clip.
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Step 79
Use your finger to press the cover down on the logic board.
While pressing it down, slide the cover upward so both metal clips slot into their spots in the logic board.
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Place the lower connector cover
Use tweezers to hook the top of the lower connector cover into its slot on the logic board.
Lay the lower connector cover over the press connectors.
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Install the cover screws
Use a tri-point Y000 screwdriver to install the 0.9 mm‑long screw securing the middle connector cover.
Use a tri-point Y000 screwdriver to install the two 1.3 mm‑long screws securing the lower connector cover.
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Remove the final adhesive liners
Use tweezers or your fingers to separate the pull tabs at the bottom of the frame, near the charging port.
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Step 83
Remove the narrow liner covering the adhesive along the left and top edges of the frame.
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Step 84
Hold the back glass over the phone without letting it touch the adhesive, so you can access the remaining liners along the right edge of the phone.
Use a pair of tweezers or your fingers to remove the remaing liners along the right edge of the phone.
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Install the back glass
Lay the back glass straight down onto the frame and press until the clips engage.
Press around the perimeter of the back glass to engage all the clips.
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Heat the back glass
To help the adhesive bond, apply heat to the edges of the back glass using an iOpener, hair dryer, or heat gun until it's hot to the touch.
Firmly press around the perimeter of the back glass.
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Remove the screen adhesive
Use a spudger to push the screen adhesive up until you can grab it with a pair of tweezers.
Use a pair of tweezers, or your fingers, to remove the adhesive around the entire perimeter of the iPhone.
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Step 88
Wrap a microfiber or lint-free cloth around the pointed end of a spudger and apply a few drops of high-concentration (greater than 90%) isopropyl alcohol to the cloth.
Wipe in one direction along the perimeter of the frame to clean the adhesive residue.
Wait a few minutes before proceeding to make sure any excess alcohol has evaporated.
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Orient the adhesive
Lay the adhesive next to the phone and use features like cutouts for spring contacts and the front‑facing camera to make sure the adhesive is oriented correctly.
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Apply the adhesive
Use the pull tab to begin peeling the back liner off of the adhesive starting from the bottom, but do not remove the liner all the way.
While holding the back liner out of the way, carefully align the exposed edge of the adhesive to the bottom edge of the iPhone's frame.
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Step 91
When the adhesive is aligned, use the flat end of a spudger, or your finger, to press it down firmly along the bottom edge.
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Step 92
Continue peeling the back liner off of the adhesive while pressing the adhesive into place along the edges of the iPhone's frame.
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Press the adhesive into place
Make sure the liner is aligned properly by checking that all spring contacts and the front-facing camera are in their cutouts. If they aren't, remove the adhesive and start over with a new sheet.
Use the flat end of a spudger to press the adhesive firmly into place all around the iPhone.
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Remove the top liner
Insert the point of a spudger under the top liner's hole at the bottom of the frame.
Pry up to separate the liner from the frame—enough to grip it with your fingers.
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Step 95
Peel back the top liner and remove it.
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Prop up the screen
Prop the screen up along the left edge of the iPhone frame, using a box or similar sturdy object to support the screen.
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Connect the screen
Use the flat end of a spudger or your finger to connect the screen and front sensor press connectors.
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Step 98
Insert the top of the screen connector cover into its slot in the frame and lay it over the press connector.
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Step 99
Insert the front sensor connector cover into its slot in the frame at a 90‑degree angle vertically.
Lay the cover over the press connector.
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Install the cover screws
Use a tri-point Y000 driver to install the two 0.9 mm‑long screws securing the front sensor connector and screen connector covers.
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Remove the final adhesive liners
Use a spudger, or your fingers, to separate the pull tabs at the bottom right corner of the frame.
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Step 102
Remove the narrow liner covering the adhesive along the right and top edges of the frame.
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Step 103
Remove the liner along the bottom edge of the frame.
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Step 104
Without letting the screen touch the adhesive, hold the screen over the phone so you can access the final liner along the left edge of the phone.
Use a pair of tweezers or your fingers to remove the final liner along the left edge of the phone.
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Place the screen
Lay the screen straight down onto the frame and press until the clips engage.
Press around the perimeter of the screen to engage all clips.
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Heat the screen
To help the adhesive bond, apply heat to the edges of the screen using an iOpener, hair dryer, or heat gun until it's hot to the touch.
If you have screen vise clamps, use them to strengthen the bond of your new adhesive. If not, keep reading for more ways to secure the screen.
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Press the screen
If you have the box your iPhone came in, take the lid and place it on a flat surface.
Place your iPhone screen-side-up in the lid of your box with the camera bump in its recess.
Find something close to the size of your iPhone, but taller than the sides of the box. Stack it on top of the iPhone, followed by a few heavy objects.
Leave the objects in place for at least thirty minutes. The lighter the objects, the longer they should be left. Ideally, leave them stacked overnight.
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Step 108
Place the iPhone screen-side-down on a soft, flat surface.
Apply tape to the back glass to protect its finish.
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Step 109
Place evenly spaced layers of coins or similarly thick objects on the tape along the edges of the back glass.
Stack them to a consistent height taller than the camera bump.
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Step 110
Stack multiple books or other heavy objects on your iPhone.
Leave the objects in place for at least thirty minutes. The lighter the objects, the longer they should be left. Ideally, leave them stacked overnight.
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Install the pentalobe screws
Use a P2 pentalobe driver to install the two 7.7 mm‑long screws on either side of the charging port.
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Abschluss
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.