iPhone 5 Audio Control and Power Button Cable Replacement - iPhone 5

Step 1 | Taping the display glass

Begin the process by ensuring the 1.5mm Allen wrench is used to loosen the retaining screw, which secures the 3.2-inch diameter fan to the motor shaft, and be aware that the fan may be difficult to remove due to friction.
To avoid injury and contain shattered fragments while you work, secure any cracked display glass with tape.
Apply strips of transparent packing tape across the iPhone screen, ensuring complete coverage by layering them.
To safeguard your eyes from potential glass fragments released during the repair process, always use safety glasses.

Step 2 | Remove the Pentalobe screws

Using a 5/32-inch hex key, carefully loosen the four retaining screws securing the fan assembly to the motor housing; exercise caution to prevent damage to the fan blades and ensure the assembly remains stable during removal.
To prevent a fire hazard or explosion due to accidental puncture, ensure the iPhone's lithium-ion battery is depleted to less than 25% charge prior to continuing.
To prevent electrical shock or damage, ensure the iPhone is completely de-energized prior to starting the repair process.
Using a Pentalobe screwdriver, detach the two screws measuring 3.6 mm located adjacent to the Lightning connector.

Step 3 | How to prevent display separation

Using a 5/32-inch hex key, carefully tighten the three mounting screws securing the fan assembly to the motor housing, ensuring each is snug but not over-tightened to prevent damage; observe a torque of 6 in-lbs per screw.
Carefully lift the display assembly—consisting of a glass screen, a plastic bezel, and integrated metal clips—away from the phone's internal structure during the subsequent procedures.
Ensure complete removal of the display assembly, irrespective of the tool employed.
When the glass and plastic layers detach, referencing the initial image for visual guidance, use a plastic opening tool to carefully insert it into the gap between the plastic frame and the phone's metal chassis, gently releasing the retaining clips.
To prevent separation during reassembly, a narrow adhesive strip should be positioned between the display bezel's plastic component and the glass.

Step 4 | Anti-Clamp instructions

Using a 5/32-inch hex key, carefully tighten the four mounting screws securing the fan assembly to the motor housing, ensuring each is snug but not over-torqued to prevent damage.
To simplify the opening process, the following two steps utilize the Anti-Clamp tool, a custom design; if you do not have this tool, proceed two steps further for an alternative procedure.
Refer to the included guide for detailed procedures regarding Anti-Clamp operation.
To release the Anti-Clamp's arms, move the blue handle in a rearward direction.
Position the arms so they extend across the device's left or right side.
To secure the iPhone for repair, place a suction cup on the front surface, close to the lower edge and directly over the home button, and another suction cup on the rear, also near the bottom edge.
Apply vacuum by pressing the cups firmly against the surface you intend to work on.
To improve the Anti-Clamp's adherence if the iPhone's exterior feels excessively smooth, apply adhesive tape to the device's surface.

Step 5

Using a 5/32-inch hex key, carefully tighten the three retaining screws securing the 2-inch diameter fan to the motor shaft, ensuring a torque of no more than 1.5 Nm to prevent damage.
Moving the blue handle in a forward direction will engage the locking mechanism for the arms.
Rotate the handle fully, completing a 360-degree turn, observing for the initial signs of cup expansion.
Maintain parallel positioning of the suction cups; should they become misaligned, gently release the suction and reposition the arms.
Once sufficient separation is achieved by the Anti-Clamp, slide a prying tool beneath the display.
To ensure adequate separation, increase the heat applied to the component and then rotate the handle by 90 degrees.
Allow one minute to elapse and avoid rotating the component more than 90 degrees incrementally, permitting the Anti-Clamp device and time to facilitate the process.

Step 6 | Manual Opening Procedure

Position a suction cup directly on the display surface, situated slightly higher than the home button's location.
Ensure full contact between the cup and the screen surface to guarantee a secure seal.
To prevent shattered glass fragments from scattering and to provide a secure attachment point for the suction cup, apply several strips of packing tape to the display's front surface, carefully smoothing to eliminate any air pockets.

Step 7 | Start lifting the front panel assembly

Secure the front panel assembly to the suction cup, ensuring a strong bond.
Using one hand to secure the iPhone, lift the suction cup vertically to gently create a small gap between the front panel and the device's back cover.
Exercise caution and use steady, even pressure when installing the screen, as its fit is considerably more snug than typical device displays.
Using a plastic opening tool, carefully separate the rear case from the display assembly by gently levering it upwards, simultaneously applying upward traction with a suction cup.
To release the front panel assembly from the rear case, carefully detach the multiple retaining clips, employing both the suction cup and plastic opening tool as needed.

Step 8 | Detaching the front panel side clips

Carefully work a prying tool along the left and right edges of the front panel assembly to release the retaining clips.

Step 9 | Opening up the phone

Disconnecting the front panel assembly entirely from the rear case is not possible at this stage; several ribbon cables remain connected at the top of the iPhone.
After disengaging the retaining clips located along the lower edge and sides of the front panel assembly, separate the assembly's lower section from the rear case by applying gentle pulling force.
Carefully position the display at a roughly 90-degree angle, then secure it in an upright position using a support to prevent movement during the repair process.
To avoid stressing the display's wiring during the repair process, secure it with a rubber band.

Step 10 | Removing the battery connector bracket screws

Using appropriate tools, detach the two screws that fasten the metal battery connector bracket to the logic board.

Use a Phillips screwdriver to remove a single screw with a 1.8 mm head.
Use a Phillips screwdriver to remove a single screw with a 1.6 mm head.

Step 11 | Removing the battery connector bracket

Detach the bracket securing the battery connector using a Tri-Point Y000 screwdriver.

Step 12 | Disconnecting the battery connector

Carefully lift the battery connector away from its connection on the logic board using a plastic opening tool, ensuring no force is applied.
Exercise caution to prevent disturbance of the tiny components positioned near the socket.
Exercise extreme caution when releasing the battery connector, ensuring you apply force solely to the connector and avoid contact with the logic board socket; applying pressure to the socket or the board could result in socket damage or harm to adjacent components.

Step 13 | Removing the front panel assembly cable bracket screws

Detach the cable bracket that holds the front panel assembly wiring by unscrewing the screws listed below.
Use two screws, each with a 1.2 mm Phillips head.
Use a Phillips screwdriver to tighten a 1.6 mm screw.
Because this fastener lacks magnetic properties, use caution during removal to prevent loss, and ensure it is replaced correctly; a magnetized substitute could disrupt compass functionality.

Step 14 | Removing the front panel assembly cable bracket

To detach the display cable bracket, raise it in the direction of the battery, then take it out of the iPhone.
To reassemble, secure the left-hand hooks to the logic board, then move the bracket outward toward the phone's exterior.

Step 15 | Disconnecting the front panel assembly cables

Prior to either detaching or reattaching the cables within this procedure, ensure the battery's power is completely isolated.
Carefully detach the three front panel assembly cables by gently separating them using a plastic opening tool or fingernail.
The cable connecting the front camera and its associated sensor
Connect the display panel's flat, ribbon-like cable, ensuring proper alignment with the corresponding connector pins, and secure it with the retaining clip to prevent accidental dislodgement.
The flexible ribbon cable connecting the display's touch sensor to the device's mainboard is referred to as the digitizer cable.
Should the LCD cable become detached from its connector during reassembly, it may result in display abnormalities like white lines or a complete lack of image upon powering on. To resolve this, reattach the cable and restart the device; for a complete restart, disconnect and reconnect the battery.

Step 16 | Separating front panel assembly and rear case

Detach the front panel assembly from the rear case.

Step 17 | Lifting the battery

Gently lift the battery from its adhesive backing by grasping the visible, transparent plastic tab.
Should the battery be difficult to separate or if the tab fractures during removal, carefully introduce a small amount of isopropyl alcohol with a concentration exceeding 90% beneath the battery's edge.
Allow approximately one minute for the alcohol to dissolve the adhesive securing the battery. Carefully use an opening tool to separate the battery from the device casing, working along its perimeter.
To prevent damage, avoid using excessive force when removing the battery; instead, if necessary, add additional alcohol droplets to dissolve the adhesive bond. Ensure the battery remains intact and undamaged during removal, refraining from any deformation or puncture with the pry tool.
To prevent damage, ensure all traces of the alcohol solution are removed by wiping with a clean cloth or by permitting complete evaporation before proceeding with the new battery installation.
To assist with battery separation if adhesion persists, apply warmth to the iPhone’s rear case using an iOpener or hair dryer to loosen the adhesive.
Exposure to excessive heat poses a risk of battery ignition in the iPhone.

Step 18 | Prying up the battery

Carefully lift the battery from its compartment using the plastic opening tool, applying force solely to the outer perimeter of the device; avoid prying near the logic board to prevent potential damage.
Gently increase the application of isopropyl alcohol until the battery releases from its housing.
To prevent battery damage and potential fire risk, carefully release the battery from its housing using consistent, light pressure.
Avoid forcing the battery upwards, as this could damage the volume control cables.

Step 19 | Removing the battery

Disconnect the power source by detaching the battery.
Carefully discard the protective plastic packaging that accompanied the new battery by gently separating it from the ribbon cable.
To guarantee correct positioning within its designated space, briefly plug the battery connector back into the motherboard socket prior to securing the new battery.
Secure the battery in place, then sever its electrical connection before proceeding with the remaining assembly steps.
To ensure proper alignment and prevent component damage during front panel reinstallation, firmly position the battery flush with the rear case.
Following reassembly, execute a full system reset to proactively avoid potential problems and streamline any subsequent diagnostic procedures.

Step 20 | Logic Board Assembly

Carefully lift the cellular data antenna cable connector away from its socket on the logic board, positioning yourself just above the speaker enclosure and employing the pointed end of a spudger for leverage.

Step 21

Using a screwdriver, detach the two screws that fasten the top logic board bracket to the rear case.
Use a Phillips screwdriver to remove a single screw with a 1.5 mm head.
Utilize a Phillips screwdriver, size 2.3 mm, to proceed.

Step 22

Carefully detach the bracket, located at the logic board's uppermost edge.
Exercise caution to avoid damage to the small grounding tab extending from the bracket, positioned adjacent to the rear camera.
Depending on the model, the bracket is integrated with the camera housing and will remain connected during removal.

Step 23

Carefully separate the three listed cables from the logic board by gently prying with the flat spudger tip.
The cable connecting to the upper circuit board.
The flexible wire harness connecting the button panel to the circuit board.
Carefully detach the interconnect cable from its connector.

Step 24

Using a Phillips screwdriver, detach the two screws, each measuring 1.3 mm, located on the interior top surface of the rear case.

Step 25

Using a Phillips screwdriver, detach the 1.2 mm screw securing the mid-section logic board bracket.

Step 26

Detach the bracket securing the central portion of the logic board.

Step 27

Carefully lift the Lightning connector cable connector from its socket on the logic board using a spudger.
Carefully retract the cable, ensuring it clears the logic board's components.

Step 28

Using a SIM card eject tool or a straightened paperclip, push in the SIM card release button located on the iPhone’s right side to release and extract the SIM card tray.
Using a spudger's flat end, gently push the SIM card eject lever inward.
Using a SIM ejection tool or a small, straightened paperclip, depress the release mechanism located on the side of the iPhone to extract the SIM card tray.

Step 29

Using the appropriate screwdriver, detach the logic board from the rear case by unscrewing the listed fasteners.
Use two Phillips head screws, each measuring 2.3 millimeters.
Use two screws, each measuring 2.7 millimeters in diameter.
Employ a standoff screwdriver or bit to extract standoff screws.
If a dedicated tool isn't available, a small flathead screwdriver can be carefully employed; however, exercise heightened awareness to prevent slippage and potential harm to nearby parts.
A 2.7-millimeter standoff screw, constructed from a non-magnetic material, is required.
To prevent issues with the digital compass, ensure the screw is reinstalled in its initial location on the logic board. Using a magnetized screw in this position can cause interference.

Step 30

To facilitate access, pivot the logic board assembly so that it faces the battery compartment at the rear of the device.
Leave the logic board assembly in place for now, as a single cable remains attached to its underside.
To secure proper function, the flash surround is bonded to both the flash unit and the rear case; should it remain attached to the rear case after separation, carefully detach it using tweezers and reattach it to the flash unit.
During reassembly, ensure the lower interconnect cable remains free of obstruction from the logic board.

Step 31

Carefully lift the Wi-Fi antenna cable connector away from its corresponding socket on the logic board's bottom surface, utilizing the pointed end of a spudger.

Step 32

Carefully detach the logic board assembly from the rear case.
To safeguard the delicate internal components, place the logic board on a grounded anti-static mat during removal and handling.

Step 33 | Power Button

Carefully disengage the rubber bumper situated beneath the power button by inserting the spudger tip in that area.

Step 34

Using the appropriate screwdriver, detach the screws securing the metal bracket located in the space positioned between the rear flash and the camera lenses.
A screw with a 2.9 mm diameter is required.
To extract standoff screws, utilize a standoff screwdriver or a compatible standoff driver bit; alternatively, a small flathead screwdriver may be employed, but exercise heightened care to prevent slippage and potential harm to nearby parts.
Use a Phillips screwdriver to remove a single screw with a 1.6 mm head.
Use a Phillips screwdriver to remove a single screw with a 1.9 mm head.

Step 35

Carefully detach the bracket situated in the space separating the rear-facing flash and camera lenses.

Step 36

Carefully leverage the spudger tip to pivot the metal bracket, which secures the power switch, outward and away from the rear case's upper surface.

Step 37

Using a spudger tip, apply pressure to the power button, pushing it inward through the rear case exterior.
Carefully detach the power button, ensuring no damage occurs.
To correctly position the power button during installation, orient the metal hinge loop located on its rear side upward, mirroring the illustrated example, rather than allowing it to remain in a downward position.

Step 38 | Volume Controls

Using the appropriate screwdriver, detach the vibrator and its bracket from the rear case by unscrewing the three fasteners that hold them in place.
Utilize a Phillips screwdriver, size 2.3 mm, to engage the screw.
Use a Phillips screwdriver, size 1.7 mm.
A 1.6 mm Phillips screw fastens the vibrator in place on the interior top surface of the rear case.

Step 39

Detach the vibrator bracket, then carefully remove the vibrator itself from the rear case.

Step 40

Using a screwdriver, detach the volume button and ringer switch brackets from the rear case by unscrewing the fasteners holding them in place.
Utilize a Phillips screwdriver, size 1.5 mm, to proceed.
Use two Phillips screws, each measuring 1.8 mm.

Step 41

Carefully insert the spudger tip between the rear case and the ringer switch bracket to release it.
Disconnect and detach the ringer switch.

Step 42

Carefully separate the volume button bracket from the rear case's side edge using a spudger.
Carefully detach the volume buttons.

Step 43 | Audio Control and Power Button Cable

Carefully insert the spudger tip and move it upward and to the left to release the power button bracket from its connection with the metal hinge.

Step 44

Carefully lift the cable from its adhesive backing on the rear case using the flat side of a spudger.

Step 45

Using pliers, carefully lift the audio control cable connector away from the rear case.
To remove the audio control cable from the metal bracket when the replacement part lacks the bracket itself, apply heat using a heat gun or hair dryer to loosen the adhesive, then carefully separate the cable from the bracket with a spudger.