iPhone 12 mini Battery Replacement

• Prior to commencing the repair process, ensure your iPhone's battery is depleted to a level less than25%Because a fully charged lithium-ion battery presents a fire hazard and potential for explosion if compromised through accidental penetration.
• Deactivate the iPhone's power supply before starting the disassembly procedure.
• Extract the pair of6.7 mm-length pentalobe screws situated along the iPhone's lower border.

• To avoid potential harm to your device, ensure the opening pick isn't inserted beyond its intended depth; this procedure will help you identify a safe insertion point.
• Determine the distance of3 mmfrom the pick's leading edge, then use a permanent marker to create a visible indicator on the opening pick.
• For additional reference, consider marking other points on the pick with varying distances.
• As another option, affix a coin to the pick's shaft,3 mmaway from its tip.

• To minimize additional damage and potential injury while repairing a fractured iPhone display, secure the broken glass by applying tape across the surface.
• Completely cover the iPhone's screen with multiple layers of transparent packing tape, ensuring each strip overlaps the previous one.
• Always utilize safety glasses to shield your eyes from any loosened glass fragments that may become dislodged during the repair process.
• Should the suction cup fail to adhere properly during subsequent steps, create a handle by folding a durable tape, like duct tape, and use this to carefully elevate the screen.
• As a last resort, you may secure the suction cup to the screen using superglue.

• The following three procedures illustrate the function of the Anti-Clamp, a specialized tool developed to simplify the initial opening process; should you choose not to utilize this tool, proceed to the steps located three sections later for an alternative approach.
• Detailed instructions regarding the Anti-Clamp's operation are available in a separate, dedicated guide.
• Grasp theblue handleand move it in a rearward direction to disengage the Anti-Clamp's supporting arms.
• Carefully position the arms across either the left or right side of your iPhone.
• Place the suction cups in close proximity to the lower edge of the iPhone, ensuring one is situated on the front surface and the other on the rear.
• Apply pressure by compressing the cups together to establish a secure suction hold on the intended area.
• Should the iPhone's surface prove excessively smooth, preventing adequate adhesion by the Anti-Clamp, applying adhesive tape can provide a more textured surface for improved grip.

• Extend the blue handlein a forward direction to secure the arm assembly.
• Rotate the handlea full 360-degree rotation, or until the cups exhibit signs of deformation.
• Confirm that the suction cupsmaintain their parallel orientation. Should the suction cupsbegin to deviate from their alignment, slightly reduce their tension and reposition the arms.

• To facilitate the subsequent repair procedures, stabilize your iPhone on a firm surface, like a hardback book, ensuring it remains hands-free and aligned horizontally.
• Employ a hair dryer to apply heat along the iPhone's lower edge; the screen's surface temperature should reach a point where it feels uncomfortably warm to the touch.
• Allow a sixty-second interval to permit the adhesive to loosen and create a visible separation.
• Introduce an opening pick into the space between the screen's plastic bezel and the iPhone's frame, only after the Anti-Clamp has generated a noticeable gap.
• Carefully position the opening pick within the defined space between the plastic bezel and the frame, exercising caution to prevent damage to yourscreen.
• Should the Anti-Clamp fail to produce an adequate gap, increase the heat application to the area and rotate the handle by ninety degrees.
• Avoid incremental rotations exceeding ninety degrees, and incorporate a sixty-second pause between each adjustment, allowing the Anti-Clamp and time to effectively loosen the adhesive.
• Proceed past the following three steps.

• Disassembly of the iPhone's display assembly will inevitably damage the factory-installed waterproof seals; therefore, ensure you have replacement seals available prior to continuing beyond this point, or exercise extreme caution to prevent liquid ingress if you intend to reassemble the iPhone without installing new seals.
• Applying heat to the lower portion of the iPhone's chassis assists in reducing the strength of the adhesive that holds the display in place, which simplifies the separation process.
• Employ a hair dryer or a heat gun to warm the lower half of the iPhone's casing until the surface temperature of the display becomes uncomfortable to touch.
• Refer to this instructional guide for recommended techniques when utilizing a hair dryer to soften adhesive bonds. Consult this separate guide for important safety precautions regarding the use of a heat gun.
• Toand avoidpotential
• If difficulties arise during the display separation process, the adhesive has likely returned to a more rigid state; reapply heat to the lower portion of the iPhone to restore the adhesive's pliability.

• When employing a solitary suction handle, position it against the lower perimeter of the device, ensuring it's situated as near to the edge as feasible.suction handle, apply it to the bottom edge of the phone, as close to the edge as possible.
• Should the display exhibit severe cracking, a transparent layer of packing tape can facilitate the suction cup's attachment. As an alternative, a robust adhesive tape could be utilized in place of the suction cup. Should these methods prove ineffective, consider bonding the suction cup directly to the fractured screen using superglue.

• Apply steady, consistent upward force to the suction cup to generate a small separation between the display screen and the surrounding metal frame.
• A plastic bezelis affixed to the lower surface of the display assembly and must be raised along with the display. Attempting to insert a tool between the bezel and the display will result in damage to the panel.
• Position an opening tool into the space formed between the display screen and the plastic bezel, ensuring it does not contact the screen directly.
• Carefully place the opening tool beneath the substantial plastic bezelto prevent potential damage to the display. A visible separation should become apparent, and the tool should move freely without obstruction. If a gap is not visible, increase the upward force on the screen.
• The screen is held in place by a robust, watertight adhesive; establishing this initial separation requires considerable force. Should you encounter difficulty in creating a gap, apply additional heat and gently move the screen in an up-and-down motion to reduce the adhesive's strength until a sufficient gap is achieved for tool insertion.

• Ensure the initial insertion of your opening tool does not exceed a depth of3 millimetersmeasured from the lower boundary.
• Employ a reciprocating motion, moving the tool back and forth along the lower edge, to sever the adhesive bond.
• Maintain the tool's position within the lower right corner to inhibit the adhesive from reforming a seal.

• Carefully maneuver the opening pick around the lower-right corner of the iPhone and trace it along the right side, severing the adhesive that secures the display assembly.
  Ensure the pick's insertion depth remains below3 mmto prevent potential harm to delicate internal parts.

Apply warmth to the upper portion of the iPhone's casing with a hair dryer, continuing until the surface temperature reaches a point where it is uncomfortably warm, but not burned, to the touch.

• Adhesive and securing clips hold the display's uppermost boundary in place.
• Position a specialized opening tool beneath the upper-right corner of the display panel.
• Move the tool along the top right corner; anticipate some opposition due to the presence of clips.
• Limit insertion depth to a maximum of 3 millimeters to prevent potential harm to the front panel sensor array.
• Applying gentle traction to the front panel assembly towards the device's lower edge marginally eases the separation process.
• Continue sliding the tool along the top edge to sever any residual adhesive that is bonding the display.

Apply warmth to the left side of the iPhone's enclosure with a hair dryer, ensuring the screen's temperature reaches a point where it becomes uncomfortably warm upon contact.

• To prevent damage to the two cables linking the display to the device's mainboard, ensure the separation tool does not penetrate beyond a depth of 2 millimeters along the left side.
• Perform a rotational movement with the separation tool around the upper-left corner of the screen's perimeter.
• Move the separation tool downwards along the left edge of the screen to release the adhesive bond.
• Should you encounter difficulty in detaching the adhesive, apply heat to the left edge to soften it.

• Turn the iPhone so that its right-hand side is oriented towards you.
• Initiate the display opening process by pivoting the screen upwards from the right side, mimicking the action of opening a book's cover.
• Refrain from completely detaching the display at this stage, because delicate ribbon cables remain connected to the iPhone's logic board.
• Secure the display in an upright position using a support to maintain access to the internal components during the repair.
• When reattaching the display, position it correctly, ensure the clips along the top edge are properly aligned, and then gently apply pressure to the top edge before securing the remainder of the display. If the display does not easily latch, examine the clips around the display's perimeter to verify they are not deformed.

• Detach the1.25 millimetersY000 screwdriver to extract the screw that holds the battery and display connector cover bracket in position.
• Carefully monitor the location of each screw during disassembly, ensuring they are reinstalled in their original positions to prevent potential damage to your iPhone.
• As part of the reassembly process, it is advisable to activate your iPhone and verify all features are operational prior to permanently affixing the display. Ensure the device is fully powered off before proceeding with further repairs.

• Employing tweezers, carefully detach the bracket securing the battery and display connector.
• The connector bracket incorporates two small hinges located on its right side; ensure precise alignment with their corresponding features when reattaching.

• Employ a spudger tool or a meticulously clean fingernail to carefully lift the battery connector away from its corresponding socket on the logic board.
• Exercise caution to avoid any harm to the black silicone seals that encircle this connector and others on the board, as they offer supplemental defense against water and dust penetration.
• Slightly deflect the connector outward from the logic board to ensure it remains disconnected and prevents unintended power delivery to the device during the repair process.

• Employ a spudgerAlternatively, a pristine fingernail can be utilized to elevate the OLED panel cable connector from its corresponding socket situated on the logic board.
• For reattachment, mirroring the original configuration, carefully position the connector and apply pressure to one lateral edge until a distinct click is heard, subsequently repeating the process on the opposing side; avoid applying pressure to the central portion. Incorrect alignment during reattachment risks bending the connector pins, potentially resulting in irreversible component failure.

• Detach the cover bracket that holds the front sensor assembly, utilizing five Y000 screws, each measuring 1 mm in length.The screws used to secure the bracket are each 1 mm long.These screws fasten the cover bracket, which protects the front sensor assembly.

• Employing tweezers, carefully detach the bracket securing the front sensor assembly.

• Employ a spudgerAlternatively, a pristine fingernail can be utilized to release the front sensor assembly cable connector.

• Detach the display unit from the device.
  When putting the device back together, halt at this stage should you desire to substitute the water-resistant adhesive that seals the display's perimeter.

• To release the battery from its secured position at the base, carefully lift the initial battery adhesive pull-tab.
  Exercise extreme caution and avoid using pointed instruments that could damage the battery; penetration could result in the release of hazardous substances or ignition.

• Using your fingertips, grasp the pull tab and gently detach it from the battery, directing it downwards towards the iPhone's base.
• Apply sufficient force to keep the adhesive strip taut, allowing ample time for it to extend and release from beneath the battery's surface, avoiding abrupt movements.
• Refrain from applying pressure to the battery itself; instead, secure a firm grip on the iPhone's lateral edges.
• Maintain the strip's flatness, preventing any creases or folds, and ensure consistent tension across its entire length, avoiding concentrated pulling in a single area.
• Position your pull at a shallow inclination to prevent the strip from catching on the battery's perimeter.
• Should the adhesive strip fracture during removal, carefully recover the fragments with your fingers or blunt tweezers, and resume pulling, taking care not to lever anything beneath the battery.
• In the event that any adhesive strip fragments become lodged beneath the battery and are inaccessible, continue by removing the remaining strips and following the subsequent instructions.

Using your fingertips, carefully grasp the extended pull tab and gently draw it outward, directing it downwards towards the base of the iPhone to disengage the battery.

Using your fingertips, grasp the designated pull tab and, with deliberate slowness, detach it from the battery's surface, directing its movement downwards towards the iPhone's base.

To release the battery from its securing position, detach the two adhesive pull-tabs that are still affixed to the battery's upper edge.

• Employing the identical method previously utilized, detach the two remaining tabs individually, extending the material to extract the leftover adhesive securing the battery.
• Exercise caution to prevent the battery from being ejected from the iPhone during the final adhesive strip's removal.
• Should the adhesive strips be completely removed, proceed past the subsequent instruction.
• Conversely, if adhesive remains, advance to the following step.

• Should difficulties persist when attempting to detach the battery, carefully introduce a small quantity of isopropyl alcohol, possessing a concentration exceeding 90%, beneath the battery's edge, specifically targeting the region of the damaged adhesive strip(s).
• Allow approximately sixty seconds for the alcohol to diminish the adhesive's strength.
• Employ an opening tool or the planar surface of a spudger to delicately raise the battery.Exercise extreme caution to prevent any bending or perforation of the battery with the tool used for separation..
• Avoid applying excessive force to dislodge the battery; should further separation be required, introduce additional droplets of alcohol to further reduce the adhesive bond.

• Disconnect the battery from the device.
• Should any traces of alcohol-based cleaning solution persist within the phone's interior, meticulously eliminate them with a cloth or permit complete evaporation before proceeding with the new battery installation.
• Employ this instructional document to correctly apply replacement battery adhesive strips.
• Following the reassembly process, execute a forced system restart; this action mitigates potential problems and streamlines any subsequent diagnostic efforts.