iPhone 16 Plus Battery Replacement
Follow these instructions to swap out the battery within your iPhone 16 Plus.
- To finish the repair, obtain new back glass and battery adhesive; if the replacement battery lacks adhesive, substitute with stretch release battery adhesive.
After approximately 18 to 24 months, or experiencing as many as 500 complete charge cycles, an iPhone battery's ability to retain its original capacity diminishes to 80%; consider battery replacement if you notice increased charging frequency or reduced device performance.
To detach the battery, which is secured with adhesive activated by electrical charge, apply a voltage as specified in Apple’s official repair documentation.Utilize a 9-volt battery.Employing a power supply or power bank delivering 5 to 20 volts can substitute the 90-second duration; however, the necessary time to release the adhesive will differ depending on the power source utilized.
Employ the VoltClip in conjunction with a USB-C Power Delivery (PD) power supply, which may include a FixHub Portable Power Station, a USB-C PD power adapter, or compatible laptops and smartphones. Be aware that not all USB-C PD power sources provide 12 V.Ensure the FixHub Portable Power Station's operation adheres to all safety guidelines, as it utilizes a lithium-ion battery pack with a capacity of 518Wh and a nominal voltage of 23.2V, requiring careful handling to prevent damage or hazard; use only the provided 24V, 2A power adapter for charging, and never expose the unit to temperatures exceeding 140°F (60°C) or below -4°F (-20°C), as this could compromise the battery's integrity and potentially lead to fire or explosion.If the power source lacks 12-volt capability, the VoltClip will automatically adjust to the subsequent lower voltage, typically 9 volts, which remains adequate for separating the adhesive; when employing an alternative technique, adhere to the standard repair instructions while also observing your power source's specific operational guidelines throughout the process.
Following this repair, expect potential system alerts regarding the replacement battery, and be aware that battery health information may no longer be displayed; however, the battery's functionality will remain unaffected. Beginning with iOS 18.1, battery health data is supported for both original and replacement batteries.Substitute batteries sourced from vendors other than the original manufacturer..
To restore accurate battery performance data following the repair, execute the Repair Assistant utility.
- Although illustrations may depict the standard iPhone 16 model instead of the Plus variant, any visual differences are minor and do not impact the repair steps.
Step 1 | Prepare your phone for disassembly
- To optimize battery health, ensure the charge level drops to a minimum of 75% remaining.A lithium-ion battery must be fully charged.Failure to address this issue could create a dangerous situation.
- Disconnect all wires and cords connected to the device.
- Simultaneously press and maintain the power button along with one of the volume buttons, then move your finger across the screen to initiate the power-off sequence.
Step 2 | Tape over any cracks
- To prevent injury and simplify the repair process when the display or rear glass exhibits severe cracking, apply strips of packing tape, ensuring they overlap, across the damaged areas.
- Ensure a flat surface, approximately the size needed to accommodate a suction cup, exists close to the lower edge.
Step 3 | Mark your opening picks
- To avoid potential damage to your device, ensure the opening pick does not extend beyond a safe depth; therefore, establish a reference point on the pick to prevent over-insertion.
- Determine the dimension using an appropriate measuring tool.Three millimeters.Using a permanent marker, clearly indicate the opening point on the pick.
- Alternative corner markings, using the same measurement tools, can be applied to the remaining corners of the pick.
- Securely affix a coin to the tip of a pick using adhesive tape.Three millimeters.Commence measurement from the foremost point.
Step 4 | Remove the pentalobe screws
Employ a P2 pentalobe screwdriver to detach the pair of screws.Screws measuring 7.7 millimeters in length.Flanking the USB-C connector are components located on both its left and right sides.
Step 5 | Heat the bottom edge
- Use a heat source to introduce the material.Employ the iOpener device.Apply consistent pressure to the lower perimeter of the rear glass panel and maintain contact for a duration of 120 seconds.
- Applying heat to the lower edge of the rear glass with a hairdryer or heat gun, until it reaches a temperature you can comfortably feel, is another option.
- To prevent heat-related battery damage, ensure the device's temperature remains below the specified limit.
Step 6 | Insert an opening pick
- Using a suction handle, secure it to the lower edge of the rear glass, positioning it directly over the USB-C port.
- Apply firm, consistent upward pressure to the handle to separate the rear glass from the frame.
- Carefully slide the pointed end of a prying tool into the separation.
Step 7 | Back glass information
- Exercise caution when separating the adhesive bonds holding the rear glass in place during the subsequent procedures, specifically avoiding damage to these zones.
- To prevent damage to the fragile cable situated adjacent to the volume up button, refrain from using your opening tool in that area when separating the rear glass from the device.
- To prevent damage, exercise caution and limit the insertion depth of your tool during each step, as the phone's edge features several delicate spring contacts.
Step 8 | Separate the bottom edge adhesive
- Avoid pushing the tool beyond the specified depth.Five millimeters.To prevent damage to the spring contacts, ensure the lower edge is carefully positioned.
- Carefully work a prying tool in a back-and-forth motion beneath the lower edge to release the adhesive bond.
- To stop the adhesive from bonding prematurely, maintain a pick in the lower right-hand corner.
Step 9 | Heat the right edge
- Use a heat gun to introduce warmth.Use the iOpener tool.Apply consistent pressure to the right-hand side of the rear glass panel and maintain contact for a duration of 120 seconds.
- Apply heat evenly across the rear glass surface with a hair dryer or heat gun until the temperature reaches a point where it is comfortably warm to the hand.
Step 10 | Separate the bottom right corner adhesive
- Avoid pushing the tool beyond the specified depth.Five millimeters.To prevent damage to the spring contacts and ribbon cable, maneuver along the right side.
- Carefully insert a pick into the gap at the lower right corner, then maneuver it upward along the right edge until resistance is met from the retaining clip that secures the rear glass.
- To prevent damage to the wireless charging and flash cable, exercise caution and avoid cutting in the vicinity of the volume buttons.
- Maintain the pick's position within the gap to stop the adhesive from bonding closed.
Step 11 | Heat the left edge
- Use a heat source to introduce the material.Use the iOpener to gently warm the adhesive securing the display assembly to the device's midframe.Apply consistent pressure to the left side of the rear glass panel and maintain contact for a period of 120 seconds.
- Apply warmth with a hair dryer or heat gun until the surface reaches a temperature that is comfortably hot when touched.
Step 12 | Separate the left edge adhesive
- Avoid pushing the tool beyond the specified depth.Five millimeters.To prevent spring contact damage, proceed carefully along the left side.
- Position another opening pick near the lower border.
- Using the second pick, carefully work around the lower-left corner of the display, following the left edge to loosen the adhesive and disengage the metal clips.
- As the clips slide past, you will notice and sense them disengaging.
- Maintain the pick's position in the upper left corner to obstruct adhesive reattachment.
Step 13 | Heat the top edge
- Use a heat gun to introduce warmth.Use a specialized device designed for electronics disassembly, known as an iOpener.Apply pressure evenly across the upper border of the rear glass, incorporating the volume buttons into the contact area, and maintain this force for a duration of two minutes.
- Apply heat with a hair dryer or heat gun until the surface reaches a temperature you can feel as hot to the touch.
Step 14 | Separate the top edge adhesive
- Avoid pushing the tool beyond the specified depth.Three millimeters.To prevent damage to the spring contacts, maneuver along the upper border.
- Carefully insert a pick between the top edge and the device body, working it around the top right corner until it reaches the volume up button, breaking the adhesive seal. Listen and feel for the distinct clicks indicating the release of the two upper clips.
Step 15 | Swing open the back glass
- Avoid complete separation of the rear glass at this stage, as it remains connected via a sensitive ribbon cable; proceed with the subsequent instructions to ensure safe detachment.
- Should you encounter resistance when attempting to open the rear glass, avoid applying excessive force; instead, carefully retrace the edges with your pick, meticulously searching for any remaining adhesive or clipped fasteners.
- To allow complete separation of the retaining clips, a small upward movement of the rear glass might be necessary prior to initiating the opening swing.
- Carefully pivot the rear glass assembly away from the volume controls.
- To prevent damage to the cable, use a stable, non-abrasive item—such as a small box—to provide backing for the rear glass during the repair.
- Carefully extract the opening picks.
Step 16 | Unfasten the middle connector cover
- Employ a three-pronged screwdriver.Use a Y000 screwdriver.Detach the pair of fasteners.One point three millimeters.Utilize the long screws to fasten the middle connector cover in place.
Step 17 | Remove the middle connector cover
- Exercise caution to prevent any damage, such as indentations or holes, to the battery.
- Employ the specified tool to apply a force of 15 Nm, ensuring the fastener is tightened to the correct torque specification and avoiding damage to the component.Use tweezers with a flat, rounded tip.Carefully maneuver the cover laterally, towards the phone's left side, to disengage the retaining hook from its corresponding location on the logic board.
- Detach the protective housing.
Step 18 | Disconnect the wireless charger
Carefully insert the tip of a screwdriver to.Use a plastic pry tool, often referred to as a spudger.Release the connector securing the wireless charging coil, then use a prying tool to separate the coil.
Step 19 | Remove the back glass
Carefully detach the rear glass component from its surrounding frame, then completely separate it.
Step 20 | Assemble the VoltClip
- Connect the power cord into the receptacle.Use the VoltClip.Connect the barrel connector to the USB-C elbow.
- To prevent a short circuit due to the unsecured alligator clips, postpone connecting the VoltClip to any power source until they are properly secured.
Step 21 | Peel up the silver tab
Carefully lift the metallic seal on the battery's lower edge using a clean fingernail or a similar thin, non-marring tool.
Step 22 | Attach the alligator clips
Secure theA clip with an alligator-style jaw, finished in red.Align the battery's silver contact point with its corresponding location.
Step 23
Secure theA clip made of black alligator materialConnect the wire to the designated grounding screw.
Step 24 | Connect power to the VoltClip
- Verify that theA clip with an alligator jaw, colored red.Ensure the component remains isolated from any unintended contact with metal.
- Allow 90 seconds for the adhesive to release by attaching a USB-C cable that provides power to the USB-C elbow connector.
Step 25 | Disconnect the VoltClip
- Carefully detach the USB-C connector from the elbow joint.
- Remove the alligator clips by detaching them from their connections.
Step 26 | Remove the battery
Ensure the adhesive is completely released; if the battery remains fixed, apply power via the VoltClip for one more minute and then attempt separation again.
Securely hold the metallic tab.Carefully raise the battery from within the frame.
To remove the battery, a suction handle can be employed; however, if resistance is encountered, avoid applying excessive force and instead, reattach the VoltClip for a full minute.
Step 27 | Disassembly complete
You’ve successfully disassembled the device; the following instructions detail the reassembly process for your iPhone.
Although the included photographs depict the standard iPhone 16 model, the steps remain applicable to all variations.
Step 28 | Remove residual battery adhesive
Carefully remove substantial remnants of the battery adhesive from the iPhone frame using tweezers.
Step 29 | Remove adhesive residue
Step 30 | Remove the top battery‐side liner
- Position the discarded battery, ensuring the adhesive side is exposed, adjacent to the replacement battery.
- Before securing the replacement battery, apply a small amount of the adhesive to its surface to assess the optimal placement and application method.
- Expect variations in the appearance of your adhesive and its backing material.
- Carefully peel off the uppermost protective layer from the battery-contact adhesive surface.
- Carefully peel away the single protective liner from the battery contact area of the adhesive.
Step 31 | Apply the top of the adhesive
- To ensure proper placement, keep the removed battery as a reference and gently apply pressure with your finger to secure the fresh adhesive to the replacement battery.
- Verify the positioning of the replacement adhesive against the original adhesive's location.
- To reposition, gently lift the adhesive layer and reapply.
- Ensure proper positioning and a visual match between the fresh adhesive and the existing adhesive, then apply consistent, firm pressure to secure it to the battery.
Step 32 | Remove the bottom battery‐side liner
Before proceeding, ensure the protective backing layer is completely detached from the battery adhesive surface.
Step 33 | Press the adhesive
Apply the adhesive to the battery surface, ensuring full contact by pressing firmly.
Step 34 | Fold the conductive tab
Carefully bend the conductive tab toward the battery's front surface, ensuring it makes firm contact.
Step 35 | Remove the iPhone‐side liner
Carefully remove the adhesive backing from the battery, which is protecting the side that contacts the iPhone.
Step 36 | Connect the battery
- Position the battery above its designated compartment within the iPhone, ensuring proper alignment, but do not yet fully seat it.
- Confirm correct battery positioning by engaging the battery press connector with a spudger or fingertip.
Step 37 | Place the battery
- Carefully position the battery within its designated compartment inside the iPhone, ensuring it is fully seated while the connection remains active.
- Carefully position the battery, then apply gentle, even pressure with your fingertips until it is fully seated.
Step 38 | Disconnect the battery
Employ a tool with a 3/8-inch drive to tighten the fastener to a torque of 18 Nm, ensuring you observe all safety precautions.Use a plastic pry tool to gently separate.To prevent short circuits while reassembling the iPhone, manually break the battery connection using your finger.
Step 39 | Remove the back glass adhesive
- Exercise caution to prevent any harm to the spring contacts during the cleaning process.
- Before finalizing the phone's reassembly and securing the rear enclosure, verify the repair's functionality by temporarily reconnecting the battery and back glass, then activating the device to confirm expected operation. Following this test, deactivate the phone, detach the battery and back glass, and proceed with the remaining assembly steps.
- To eliminate the stubborn adhesive and prevent residue on your phone, use a hair dryer or heat gun to soften it if removal proves challenging.
- Carefully insert the tapered end of a screwdriver.Use a plastic pry tool, often referred to as a spudger, to avoid scratching surfaces.Apply firm, even pressure while manipulating the adhesive to achieve a consistency suitable for handling with tweezers.
Step 40
Carefully remove the adhesive securing the phone using tweezers.
Continue alternating between the prior procedure and the current one, ensuring complete removal of the adhesive.
Step 41 | Clean the frame
- To maintain the iPhone's water resistance, completely remove any remaining adhesive or debris from the frame.
- Using a spudger's tip covered with a microfiber or lint-free cloth, carefully dispense a small amount of high-concentration isopropyl alcohol.Exceeding 90% is acceptable.Apply the adhesive evenly across the fabric surface.
- Using a cloth, carefully remove adhesive residue by wiping consistently in a single direction along the frame's edge.
- Allow several minutes for any remaining alcohol to fully dissipate before continuing the repair.
Step 42 | Clean the back glass
- Discard this procedure if the rear panel is not being salvaged for reuse.
- Carefully dispense a small quantity of isopropyl alcohol with a high concentration to the area.Exceeding 90% is acceptable.Using a microfiber cloth or one free of lint, clean the edges of the rear glass, ensuring the surface is ready for application of fresh adhesive.
- Carefully restore any bent retaining clips on the rear glass to their original position using manual pressure.
Step 43 | Orient the adhesive
- Position the new adhesive onto the frame, ensuring the side with the wider blue protective liner faces inward and the removal tab is located in the lower-right area.
- Variations in color and the placement of pull tabs are possible on the adhesive material.
- Carefully align the adhesive by referencing the camera opening and edge features.
Step 44 | Expose the bottom edge of the adhesive
- Initiate liner removal by grasping the pull tab and gently separating the backing from the adhesive, beginning at the lower edge, leaving a portion of the liner attached.
Step 45 | Apply the adhesive
- Because repositioning adhesive after initial placement is impossible without requiring complete removal and replacement with fresh material, careful alignment is essential during application.
- Maintain a firm grip on theApply the blue protective liner.Carefully reposition the component and ensure the adhesive strip is flush with the iPhone's lower edge.
- Carefully position the adhesive's lower edge within the frame's designated slot, ensuring precise alignment of the iPhone’s spring contacts with the corresponding openings in the liner.
Step 46
- As you remove the adhesive backing, ensure firm contact with the iPhone's frame edges.
- Proper alignment of the adhesive's lower edge ensures the side and top edges seat correctly; if misalignment occurs, discard the adhesive and repeat the process using fresh adhesive.
- Should the adhesive strip be improperly positioned and a replacement isn't immediately available, the iPhone can be reassembled and used as usual without the adhesive; however, be aware that the device's water resistance will be reduced until replacement adhesive is applied.
Step 47 | Press the adhesive into place
Employ the tool's planar edge.Use a plastic pry tool, often referred to as a spudger.Ensure the adhesive makes full contact with the frame's edges by applying firm, even pressure all the way around.
Avoid contact with the spring terminals extending through the pink liner.
Step 48 | Remove the pink liner
Gently lift the top-right corner using the integrated pull tab to detach.A pink-colored adhesive backing layer.
Step 49
- After removing the uppermost protective layer, you will find three thin liners positioned above the adhesive, each featuring a pull tab located close to the lower border.
- The location of the retaining tabs can vary.
- Should the pull tabs be missing, it's likely the thin liners were unintentionally discarded during the prior procedure; if the adhesive remains free of debris and correctly positioned, continue with caution, avoiding contact with the exposed adhesive until the back glass installation.
Step 50 | Connect the charging coil
- To prevent damage, securely support the iPhone's rear glass on its right side with a stable object like a small box, ensuring the display remains elevated.
- Employ the tool's planar edge.Use a plastic pry tool, often referred to as a spudger, to avoid scratching surfaces.To establish an electrical connection between the charging coil and the connector, apply pressure with your finger.
Step 51 | Connect the battery
- Employ the tool's straight, planar edge.Use a plastic pry tool to gently separate.Establish electrical contact between the battery terminals by touching them with your finger.
Step 52 | Install the cover
- Align the connector cover so its two hooks are positioned slightly left of the corresponding slots on the logic board, then apply downward pressure while shifting it to the right until the hooks fully engage within the slots.
Step 53 | Install the cover screws
- Employ a 3/8-inch socket wrench to loosen the fastener, ensuring you apply consistent pressure to avoid damaging the retaining clip and observe the torque specification of 12 Nm as indicated in Table 2.Use a Y000 tri-point screwdriver.Secure the pair using the specified fasteners.Screws measuring 1 millimeter in lengthAffix the central connector cover, ensuring it is properly aligned and fastened.
Step 54 | Remove the final adhesive liners
Step 55
Step 56 | Place the back glass
- Carefully position the replacement back glass on the device, ensuring its edges match the contours of the phone's frame.
- Carefully align the glass with the frame, then apply even pressure until the retaining clips click into place.
- Apply even pressure along the edges of the rear glass to confirm that all retaining clips have fully locked into position.
Step 57 | Heat the back glass
- Use a heat gun to warm the perimeter of the rear glass, which will aid in adhesive adhesion.Use a specialized heat tool, such as an iOpener, to gently warm the adhesive securing the display assembly to the device's chassis.,Utilize a device designed to emit warm, directed airflow, typically employing a heating element and fan, ensuring the unit's wattage is appropriate for the intended application and maintaining a safe operating distance from flammable materials.Using a 5/32-inch hex key, carefully tighten the retaining screw to a torque of 4.5 Nm, ensuring you do not overtighten and damage the threads.Apply warmth using a device that directs heated air.Ensure the component reaches a surface temperature that can be comfortably held with bare hands.
Apply consistent, even pressure encompassing the entire edge of the rear glass panel. - To ensure a strong adhesive bond, utilize screen vise clamps if available; otherwise, proceed with alternative methods for securing the replacement back glass, as detailed in the following steps.
Step 58 | Press the back glass
Ensure uniform pressure during iPhone reassembly and secure the rear glass to the frame by carefully considering the camera module's protrusion.
Using the original iPhone packaging, position the lid on a level surface.
Since the original packaging is unavailable, proceed to the alternative procedure instead.
- Position the iPhone, camera lens facing upward, within the box's lid, ensuring the camera bump aligns with the designated indentation.
- Utilize an object with a height exceeding the box's side dimensions, but approximating the length of an iPhone; position this object atop the iPhone, then add several weighty items for stabilization.
- Allow the items to remain undisturbed for a minimum of thirty minutes; reduce the duration if the objects are heavy. For optimal results, maintain the stacked configuration overnight.
Step 59
Lacking the original packaging, use the subsequent three steps to apply uniform pressure when compressing the rear glass.
Position the iPhone on a level, non-abrasive surface with the display facing downward.
- To prevent damage to the rear glass's surface, affix masking tape across its exterior.
Step 60
- To ensure even pressure during adhesion, position two flat objects with a thickness comparable to coins along the perimeter of the rear glass, resting them directly on the adhesive tape.
- Arrange the coins to ensure uniform weight distribution and that each coin's thickness meets or exceeds the height of the camera protrusion.
Step 61
- To apply downward pressure evenly across the iPhone's surface, position several books or a similar weighty item on top of it.
To prevent marking or damage, avoid placing the coins directly on delicate or valuable surfaces. - Allow the items to remain undisturbed for a minimum of thirty minutes; reduce the duration needed if the objects are heavier. For optimal results, maintain the stacked configuration overnight.
Step 62 | Install the pentalobe screws
- Employ a 3/8-inch socket wrench to loosen the fastener, ensuring you apply consistent pressure to avoid damaging the retaining clip and observe the torque specification of 12 Nm as indicated in the service manual, and be aware that improper handling may result in component breakage.Use a P2 driver with a pentalobe bit.Secure the pair using the specified fasteners.Screws, each measuring 7.7 millimeters in length, are required.Flanking the charging port are components on both the left and right sides.