iPhone 8 Plus Lower Speaker Replacement

• To ensure safety prior to commencing the repair, allow the iPhone's battery to deplete to a level below 25%.A fully charged lithium-ion batteryposes a risk of ignition and/or detonation if it sustains a puncture.
• Deactivate the iPhone by powering it down before you start disassembling it.
• Utilize a tool to extract the pair of 3.5 mm pentalobe screws located on the iPhone's lower edge.
• Separating the iPhone's display assembly will damage the waterproof integrity of the device; therefore, acquire replacement seals beforehand, or exercise extreme caution to prevent moisture ingress if you intend to reassemble the iPhone without new seals.

• To avoid potential harm to your device, ensure the opening pick isn't inserted beyond its intended depth; this procedure details how to identify the safe insertion point by marking the pick.
• Determine the measurement of3 mmfrom the pick's leading edge and use a permanent marker to create a visible indicator on the opening pick.
• For enhanced reference, consider marking the other corners of the pick with varying measurements to provide multiple depth guides.
• As another option, affix a coin to the pick's shaft,3 mmaway from the tip, to serve as a depth gauge.

• To minimize additional damage and potential injury while repairing a fractured iPhone display, secure the glass fragments with adhesive tape.
• Apply multiple layers of transparent packing tape across the iPhone's screen surface, ensuring complete coverage of the front face.
• Always utilize eye protection, specifically safety glasses, to guard against glass shards that may become dislodged during the repair process.
• Should the suction cup fail to maintain adhesion during subsequent procedures, create a handle by folding a robust adhesive strip, like duct tape, and employ this to carefully elevate the screen.
• As a last resort, secure the suction cup to the screen's surface using superglue to facilitate lifting.

• The following three procedures illustrate the function of the Anti-Clamp, a specialized tool developed to simplify the initial opening process; if this tool is not available, proceed to the subsequent three steps for an alternative approach.
• Detailed guidance regarding the Anti-Clamp's operation can be found in a separate, dedicated instructional document.
• Grasp theblue handleand move it in a rearward direction to disengage the Anti-Clamp's securing arms.
• Carefully position the arms across either the left or right side of your iPhone.
• Place the suction cups close to the lower edge of the iPhone, situated directly above the home button—one on the front surface, and one on the rear surface.
• Apply pressure by compressing the cups together to establish a secure suction hold on the intended area.
• Should the iPhone's surface prove excessively slick, preventing the Anti-Clamp from maintaining a firm grip, applying adhesive tape can provide a more textured interface.

• To engage the locking mechanism, draw theblue handlein a forward direction.
• Rotate thehandlethrough a complete rotation of 360 degrees, or until you observe the cups beginning to expand.
• Confirm that thesuction cupsmaintain their parallel orientation. Should the suction cups exhibit signs of displacement, a minor adjustment by loosening them slightly and repositioning the arms is necessary.

• Employ heat using aniOpenerand carefully guide it between the arms of the Anti-Clamp.
  Alternative heat sources, such as a hair dryer, heat gun, or hot plate, are acceptable; however, exercise caution as excessive heat can potentially harm the display assembly and/or the internal battery.
• Position theiOpenerin a flat position against the lower edge of the iPhone’s display.
• Allow a sixty-second interval to permit the adhesive to soften and create a separation.
• Introduce an opening pick beneath the screen once the Anti-Clamp has generated a noticeable gap.
• Should the Anti-Clamp fail to produce a satisfactory gap, increase the heat application to the area and rotate the handle by ninety degrees.
  Avoid exceeding a ninety-degree rotation at any point, and observe a sixty-second pause between rotations; rely on the Anti-Clamp’s pressure and time to achieve separation.
• Proceed past the following three instructions.

The following three procedures detail the process of detaching the display assembly with the aid of a suction cup.
Applying heat to the bottom edge of the iPhone will assist in loosening the adhesive that holds the display in place, thereby simplifying the separation process.
Employ a hairdryer, or alternatively prepare aniOpenerand apply it to the bottom edge of the iPhone for approximately 90 seconds to reduce the adhesive's tackiness.

• Position a vacuum attachmentonto the bottom section of the front panel, situated directly over the home button area.
  Ensure the vacuum attachment's surface remains clear of the home button's location to guarantee a complete bond between the attachment and the glass surface.

• Apply steady, consistent upward force to the suction cup to generate a small separation between the front panel assembly and the device's rear casing.
• Carefully slide an opening tool, or a similarly slender prying implement, into the newly formed gap, inserting it only a few millimeters.
• Due to the robust nature of the waterproof adhesive securing the display, establishing this initial separation requires considerable force; should you encounter difficulty, apply additional heat and gently oscillate the screen in an upward and downward motion to reduce the adhesive's strength, facilitating the creation of a sufficient gap for tool insertion.

• Utilizing a specialized tool, carefully maneuver it along the phone's corner and upward along the left side, progressing in the direction of the volume adjustment buttons and the silent switch to disrupt the adhesive securing the display assembly.
• Pause your progress close to the upper-leftmost point of the display surface.

A fragile cable runs along the iPhone's right side; avoid inserting any tools in this area to prevent potential cable damage.

• To release the adhesive, carefully reintroduce your tool into the iPhone at its lower-right edge, then maneuver it along the corner and upward along the right side of the device.
• Exercise caution and limit the insertion depth of your tool to a maximum of 3 millimeters to prevent potential harm to the delicate display cables.

• Carefully elevate the display's lower border by applying upward force to the suction cup.
• Avoid raising the display beyond an angle of15 degreesas exceeding this limit could potentially damage or sever the flexible circuit cables that link the display.

• To detach the suction cup from the front panel, grasp and exert force on the small projection extending from its surface.

• Carefully insert a separation tool beneath the screen's upper edge, working along the top to break the remaining adhesive seal.

• To release the retaining clips that secure the display assembly to the rear case, carefully move the display downwards, shifting it away from the phone's upper border.

To access the internal components, initiate the display opening process by pivoting the screen upwards, starting from the left edge, mimicking the action of opening a book's cover.
Refrain from completely disconnecting the display assembly at this stage, because multiple delicate ribbon cables remain attached, linking it to the iPhone's main circuit board.
Secure the display in an upright position using a support to prevent it from obstructing your work area during the repair procedure.

To detach the lower display cable bracket from the logic board, first, carefully unscrew the four Phillips (JIS) screws that hold it in place, noting their individual lengths:

• Two 1.3 mm screws
• One 1.4 mm screw
• One 2.7 mm screw

Detach the securing bracket that holds the lower display cable in place.

Employ the tip of a spudgerto carefully lift the battery connector away from its corresponding receptacle on the logic board.
Gently elevate the connector cable a small amount to ensure it remains disconnected from the socket, thus preventing unintended power delivery to the device during the repair process.

1. Employ the pointed end of a spudgeror a fingernailto release the substantial lower display connector; achieve this by applying upward force directly above the socket.
2. When reinstalling connectors, apply pressure to one edge until a secure engagement is heard, then repeat the process on the opposing edge; avoid applying pressure to the central portion. Even minor connector misalignment can result in bending, potentially leading to irreversible damage.

• To proceed, detach the connector for the second lower display cable, located immediately behind the connector released during the prior procedure.

1. Detach the pair of screws, utilizing a tri-point Y000 driver, that hold the bracket in place, which covers the connector for the front panel sensor assembly.These screws include one measuring 1.0 millimeters and another measuring 1.2 millimeters.Carefully remove the bracket to access the front panel sensor assembly connector.
   Ensure proper screw size selection to prevent damage.
   The 1.0 mm screw and 1.2 mm screw are both required for this step.

• Disconnect the protective cover that shields the electrical connector for the front panel sensor assembly.

1. Employing the pointed end of a spudger tool, or a fingernail, carefully release the front panel sensor assembly connector from its corresponding socket.spudger or a fingernail to disconnect the front panel sensor assembly connector from its socket.

• Detach the display assembly from the device.
• If you intend to substitute the adhesive securing the display's perimeter during reassembly, briefly halt the process at this stage.

• To detach the L-shaped bracket positioned adjacent to the Taptic Engine, first, eliminate the three screws that hold it in place.
  Utilize a 1.3 mm Y000 screwdriver for this task.
  Employ a 2.6 mm Phillips screwdriver for the next screw.
  A 3.5 mm Phillips screwdriver will be required for the final screw.

1. Detach the bracket from its affixed location.

• Employ a prying tool to delicately detach the bonded section of theantenna flex cable from the speaker's upper surface.
• Theflex cable is held in position with a minimal adhesive; applying warmth with an iOpener or hairdryer can help to loosen the adhesive if needed, facilitating easier separation (and subsequent reattachment) of theflex cable without causing damage.

• Employing the tip of a spudger, carefully lift and detach the antenna flex cable from its connection on the logic board.antenna flex cable from the logic board.

• Employ the tip of your spudger to lift and detach the opposite end of the antenna flex cable.antenna flex cableLocated adjacent to the Lightning Port, carefully separate the cable from its connection.
• Re-establishing the connection of this cable presents a challenge; facilitate the process by utilizing tweezers to secure the flex cable.flex cableThis ensures proper alignment of the connector with its socket, subsequently applying gentle downward pressure on the connector's surface with the spudger's flat edge until a distinct click confirms secure engagement.

• Detach the Wi-Fi diversity antenna.

• To detach the speaker, begin by eliminating the three fastening screws.Specifically, these are Phillips head screws.These screws hold the speaker in place.
• Two screws, each measuring 1.4 millimeters in diameter, are included.
• Additionally, a single screw with a 2.4-millimeter diameter is also present.
• When reattaching the speaker, apply pressure towards the lower border of the iPhone's chassis to ensure proper screw hole alignment, maintaining this pressure while the screws are being installed.