iPhone SE Battery Replacement - iPhone SE (1st Generation)

Step 1 | Removing the Pentalobe screws

Begin the process by ensuring the 1.5mm Allen wrench is used to loosen the retaining screw, which secures the 3.2V regulator to the circuit board, and exercise caution to avoid damaging the surrounding components.To ensure optimal calibration during the repair process, fully deplete the iPhone's battery until it indicates a charge level of less than 25%.A lithium-ion battery must be fully charged.Accidental puncture presents a fire and/or explosion hazard.
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, each measuring 3.9 mm, located on the left and right sides of the Lightning connector.

Step 2 | Taping the display glass

Using a 5/32-inch hex key, carefully tighten the three retaining screws on the motor assembly to a torque of 4 in-lbs, ensuring not to overtighten and potentially strip the threads.To avoid injury and stop the cracked display glass from shattering further while you work, secure it with tape.
Apply strips of transparent packing tape across the iPhone screen, ensuring complete coverage by layering them until the entire display surface is protected.
To prevent scattered glass fragments and maintain stability during the display separation process, this technique is essential.
To safeguard your eyes from potential glass fragments released during the repair process, always use safety glasses.

Step 3 | Display separation prevention

Using a 5/32-inch hex key, carefully tighten the three retaining screws securing the fan assembly to the motor housing, ensuring each is snug but not over-torqued to prevent damage.Carefully separate the display assembly from the phone's chassis, noting that it consists of aThe display panel is fabricated from glass.A bezel constructed from plastic incorporates metal clips for secure attachment.
Ensure complete removal of the display assembly, irrespective of the chosen tool.
When separation between the glass and plastic is observed, mirroring the depiction in the initial image, use a plastic opening tool to insert it into the gap between the plastic frame and the phone's metal chassis, carefully levering the metal clips free from the housing.
To ensure the phone remains securely closed during reassembly when the display bezel is detached, apply a narrow adhesive strip positioned between the plastic bezel 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-tightened to prevent damage; observe a torque of 6 in-lbs per screw.To simplify the opening process, the following two steps utilize the Anti-Clamp tool; if you do not have this tool, proceed two steps further to find an alternative approach.
Refer to the accompanying 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 clear the left or right side of the iPhone, then move them into place.
Secure two suction cups, one to the front surface and one to the rear, close to the lower edge of the iPhone, ensuring they are located directly above the home button.
Apply vacuum by pressing the cups firmly against the surface you intend to work on.

To improve the Anti-Clamp's grip on a slick iPhone exterior, apply the provided tape pad to the device's surface.

Step 5

Using a 5/32-inch hex key, carefully tighten the three retaining screws securing the fan assembly to the motor housing, ensuring each is snug but not over-torqued to prevent damage; observe polarity markings during reinstallation.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 expansion of the cups.
Maintain parallel positioning of the suction cups; should misalignment occur, gently release the suction cups' hold and reposition the arms.
Once sufficient space is created by the Anti-Clamp, slide a prying tool beneath the display.
To ensure adequate clearance, reposition the handle by 90 degrees.
Apply rotations no greater than 90 degrees, pausing for several seconds after each adjustment to allow the Anti-Clamp mechanism and dwell time to facilitate proper seating.

Step 6 | Manual Opening Procedure

Lacking an Anti-Clamp tool,Carefully employ a single suction cup to raise the front panel.

Position a suction cup directly on the display surface, situated slightly higher than the home button's location.
Ensure the screen's entire surface area is covered by the cup to guarantee a secure connection.

Step 7 | Start lifting the front panel assembly

Carefully detach the front panel, ensuring you use a Phillips head screwdriver to remove the four 3.5mm screws securing it, and be mindful of the potential for scratching the finish during removal.Several clips secure the component, and multiple ribbon cables connect it to the phone's internal circuitry; carefully release these clips and separate the phone's halves just enough to allow for cable disconnection, proceeding with caution to prevent damage.

Securely affix the suction cup to the front panel assembly, positioning it close to the home button.
Using one hand to secure the iPhone, lift the suction cup vertically to gently create a small gap between the front panel and the rear case, beginning at the home button area.
Using a plastic opening tool, lift the rear case's perimeter edges away from the front panel assembly, applying upward force with a suction cup to aid separation.
Exercise caution and use steady, even pressure when installing the front panel assembly, as its fit is considerably snugger than what is typical for similar equipment.

Step 8

Avoid attempting a full detachment.Carefully detach the front panel assembly from the rear case, noting the presence of multiple sensitive ribbon cables that connect the two components.

To detach the suction cup, depress the small plastic projection that maintains the airtight seal.
Carefully detach the screen from the device using the suction cup.

Step 9 | Removing the Touch ID cable bracket

Carefully separate the phone's casing to expose the metallic support securing the home button cable.
To prevent damage to the home button cable and its connector, avoid excessive separation of the phone's housing; maintain slack in the cable, as overextension can cause harm.
The Touch ID feature is exclusive to the phone's factory-installed home button assembly; replacement of the cable or the home button itself will result in a standard home button with no Touch ID capability.
Employ the pointed end of a screwdriver to carefully apply pressure.Use a plastic pry tool, often referred to as a spudger, to gently separate components.Using tweezers, carefully disengage the bracket.
For reassembly procedures, proceed with the following two steps later; if you are not currently reassembling, bypass these instructions and move directly to Step 12.

Step 10

To complete reassembly, secure the Touch ID cable bracket by positioning its upper edge between the battery and the Touch ID cable connector, ensuring it sits ahead of the metal tab, then fasten the bracket’s lower edge over the connector to engage the latch.

Position the bracket's upper edge so it covers the Touch ID cable connector, then move it horizontally to the right.
Position the bracket so it rests on the connector; the side featuring the projecting "leg" will create a small incline, ensuring the opposite edge aligns between the connector and the battery's adjacent metal tab.Use a plastic pry tool, often referred to as a spudger.Position the component flush with the bracket, then carefully press downwards to engage both the rear and front clasps until they click into place.

Step 11

Employ the tool's flat end when reassembling.Use a plastic pry tool to gently separate.Secure the Touch ID cable connector by pressing the front section of its bracket firmly into place.

To ensure the bracket sits level against the surface, reposition it by sliding it back over the cable connector if it doesn't seat properly.

Step 12 | Disconnecting the home button cable connector

Employ the pointed end of a screwdriver to carefully apply pressure.Use a plastic pry tool, often referred to as a spudger.Carefully use a prying tool to lift the home button cable connector vertically from its receptacle.
Avoid lifting the socket assembly; instead, disconnect the cable connector from its receptacle, as the socket is affixed to a separate, adhesive-backed cable that can detach if excessive force is applied.

Step 13 | Opening up the phone

Carefully detach the connector, then pivot the home button portion of the assembly outward, utilizing the phone's upper edge as a fulcrum.
Carefully separate the display assembly from the device housing, creating a gap of approximately 1 millimeter.Rotate to a 90-degree angle.Position the device at an angle, securing it in place with 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.
As a temporary substitute, an unused, sealed can of soda can be employed to support the display.

Step 14

Detach the pair of fasteners.One point six millimeters.The metal bracket that holds the battery connector is fastened to the logic board using Phillips #000 screws.

Step 15

Detach the bracket securing the battery connector using a tri-point screwdriver, ensuring no damage occurs to the connector or surrounding components.

Step 16

Carefully lift the battery connector away from its corresponding socket on the logic board, employing the flat edge of a spudger to avoid damage.
Exercise extreme caution during the lifting process, ensuring you apply force solely to the battery connector; avoid any pressure on the logic board socket or the board's surface to prevent socket destruction or potential damage to adjacent components.

Step 17

Detach the cable bracket that holds the front panel assembly wiring by unscrewing the screws listed below.
- A Phillips screwdriver, size #000, is needed to remove a 1.7-millimeter screw.
- A Phillips head screwdriver, size #000, is needed to remove a 1.2-millimeter screw.
- A Phillips screwdriver, size #000, is needed to remove a 1.3-millimeter screw.
- An additional screw, measuring 1.7 mm in width and utilizing a Phillips #000 head, is required.
Please provide the original text you want me to rewrite. I need the sentence or instruction to be able to fulfill your request.Utilize a screw with a diameter of 1.7 millimeters.Due to its non-magnetic properties, the fastener will not adhere to a magnetized screwdriver; exercise caution to prevent loss during removal.
Carefully organize all screws during this stage, as incorrect placement during reassembly can cause damage.A screw with a diameter of 1.3 millimeters.Alternatively, aUtilize fasteners with a diameter of 1.7 millimeters.Inserting a tool into the lower-right aperture can severely compromise the logic board, preventing the device from powering on.
Avoid applying excessive force when tightening screws; overtightening can damage components. Should a screw resist easy installation, verify its size against the specified dimensions to ensure compatibility.

Step 18

Detach the bracket securing the front panel assembly cable to the logic board.

Step 19

Carefully detach the front camera and its associated sensor by gently separating the connector using a spudger or similar tool.

Step 20

Prior to either detaching or reattaching the cable in this procedure, ensure the battery is disconnected.
Carefully detach the LCD cable connector.
Should the LCD cable detach from its connector during reassembly, the display may exhibit white lines or remain blank upon powering on; to resolve this, re-establish the cable's connection and restart the device, preferably by disconnecting and reconnecting the battery to ensure a complete power cycle.

Step 21

To conclude, detach theThe connector securing the digitizer cable.

Step 22

Carefully detach the component, ensuring all original specifications—including dimensions and part designations—are maintained.Secure the front panel using the provided screws, ensuring proper alignment with the chassis and referencing the dimensions outlined in the parts list.Access the component through the back panel.

Step 23 | Battery

Carefully insert a spudger tip into the space separating the battery and the headphone jack to release the adhesive securing them.A conductive adhesive strip secures the battery..

Step 24

Grasp and extract theA self-adhesive strip secures the battery.Ensure the device is positioned a safe distance from any telephones.
Using a sharp utility knife, carefully sever the black wire.A conductive adhesive strip secures the battery.Carefully peel the two white adhesive strips apart.

Step 25

To ensure proper removal, maintain the strips' flatness and prevent any creases, as folds can cause them to adhere and fracture rather than detach smoothly.
To detach a battery adhesive strip, gently draw it downward, towards the iPhone's base, ensuring you primarily lift the white section; separation of the black tab is expected.
To remove the strip, apply consistent, even force while guiding it out from the space between the battery and the rear case; ensure the pulling angle remains at 60 degrees or less to optimize the process.
Exercise caution to prevent the part from catching on any other internal iPhone elements.
To release the strip completely, gradually extend it beyond its initial size; you may need to reposition your grip closer to the battery as you pull to maintain tension until the entire length separates.

Step 26

Using a 5/32-inch hex key, carefully tighten the four M4x8 pan head screws securing the fan assembly to the heatsink, ensuring a torque of 4.5 in-lbs to prevent damage.

Perform the same procedure on the remaining strip.
Having detached both strips completely, proceed directly to step 27.
To release a battery when the underlying adhesive is detached and inaccessible, carefully introduce a small amount of isopropyl alcohol—specifically, a concentration exceeding 90%—beneath the battery's edge, targeting the location of the damaged adhesive strip(s).
Allow approximately one minute for the isopropyl alcohol to soften the adhesive securing the battery, then carefully pry the battery loose using the spudger’s flat edge.
To prevent damage, avoid using excessive force when removing the battery. Should the adhesive still resist, add additional alcohol droplets to soften it. Ensure the pry tool does not create any dents or holes in the battery's casing during the separation process.
Applying force to the logic board can result in device damage.
Exercise caution when applying separation force close to the left side of the device, near the volume controls, as doing so risks harming the ribbon cable connected to the volume button.
Consider the subsequent step for additional troubleshooting approaches.

Step 27 | Alternative methods to unstick the battery from the case

Using a 5/32-inch hex key, carefully tighten the four M4x8 pan head screws securing the fan assembly to the heatsink, ensuring a torque of 4 in-lbs is applied to each screw to prevent damage.

To free a battery adhered to the rear case, apply heat using an iOpener or a hair dryer, focusing on the area immediately behind the battery.
Exposure to excessive heat presents a fire risk to the iPhone's battery.
Carefully remove the battery, avoiding any excessive force that could damage it. Using the pry tool, ensure the battery’s physical integrity remains intact; do not apply pressure that would bend or penetrate its casing.
Applying force to the logic board can result in device damage.
Exercise caution when applying force near the left side, close to the volume controls, as doing so risks damaging the ribbon cable connected to the volume button.
To release the battery from the back cover, carefully insert dental floss or a similar thin, strong material—like a single, unwound 0.009-inch E string from a 12-string guitar set—between the two components.
Using floss or string, carefully maneuver it between the upper battery and its housing, then join the string ends, secure them with a folded cloth, and apply consistent tension to draw the string through.

Step 28

Using a 5/32-inch hex key, carefully tighten the four M4x8 screws securing the fan assembly to the heatsink, ensuring a torque of 4.5 in-lbs to prevent damage.

Remove the battery by accessing it through the back panel.
Carefully slide the protective plastic covering off the new battery, ensuring you avoid contact with the ribbon cable during removal.
To prevent damage, ensure any residual alcohol solution is either thoroughly wiped away or completely evaporated from the device prior to battery installation.
To guarantee correct positioning within its designated space, briefly plug the battery connector back into the logic board's socket prior to securing the new battery.
Secure the battery in place, then sever its connection before proceeding with the remaining assembly steps.
To secure a battery lacking factory-applied adhesive, follow the instructions in this guide to install replacement adhesive strips.
Following reassembly, execute a full system reset to mitigate potential problems and streamline any subsequent diagnostic procedures.