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Introduction

Use this guide to replace a worn-out or dead battery in your OnePlus 5T.

If your battery is swollen, take appropriate precautions. For your safety, discharge your battery below 25% before disassembling your phone. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.

You’ll need replacement adhesive to reattach components when reassembling the device.

  1. Before you begin, switch off your phone. Remove the SIM card tray.
    • Before you begin, switch off your phone.

    • Remove the SIM card tray.

  2. Remove the two Torx T2 screws (2.5 mm length).
    • Remove the two Torx T2 screws (2.5 mm length).

    • The OnePlus 5T doesn't use a lot of adhesive to secure the backcover, however the clamps are very strong and require some force during the opening procedure.

  3. Insert an opening tool between the display and the backcover at the bottom end of the phone. Use the opening tool to create a gap between back cover and display. Insert an opening pick in the gap you created with the opening tool.
    • Insert an opening tool between the display and the backcover at the bottom end of the phone.

    • Use the opening tool to create a gap between back cover and display.

    • Insert an opening pick in the gap you created with the opening tool.

  4. Slide the opening pick to the bottom right corner of the phone. Insert a second opening pick and slide it to the bottom left corner of the phone. Insert a second opening pick and slide it to the bottom left corner of the phone.
    • Slide the opening pick to the bottom right corner of the phone.

    • Insert a second opening pick and slide it to the bottom left corner of the phone.

  5. Slide the opening pick around the bottom left corner and then up along the left edge of the phone to open the plastic clamps that secure the backcover. Slide the opening pick around the bottom left corner and then up along the left edge of the phone to open the plastic clamps that secure the backcover. Slide the opening pick around the bottom left corner and then up along the left edge of the phone to open the plastic clamps that secure the backcover.
    • Slide the opening pick around the bottom left corner and then up along the left edge of the phone to open the plastic clamps that secure the backcover.

  6. Slide the opening pick around the bottom right corner and then up along the right edge of the phone to open the plastic clamps that secure the backcover. Slide the opening pick around the bottom right corner and then up along the right edge of the phone to open the plastic clamps that secure the backcover. Slide the opening pick around the bottom right corner and then up along the right edge of the phone to open the plastic clamps that secure the backcover.
    • Slide the opening pick around the bottom right corner and then up along the right edge of the phone to open the plastic clamps that secure the backcover.

  7. Try not to remove the backcover all the way yet. The fingerprint and the charging port and headphone flex cables are still connected to the motherboard. Flip your phone and carefully lift the bottom end of the backcover away from the phone assembly. Fold it to left and hold it at an 80° angle. Flip your phone and carefully lift the bottom end of the backcover away from the phone assembly. Fold it to left and hold it at an 80° angle.
    • Try not to remove the backcover all the way yet. The fingerprint and the charging port and headphone flex cables are still connected to the motherboard.

    • Flip your phone and carefully lift the bottom end of the backcover away from the phone assembly. Fold it to left and hold it at an 80° angle.

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  9. Use a spudger to pry up and disconnect the fingerprint flex cable. Use a spudger to pry up and disconnect the fingerprint flex cable.
    • Use a spudger to pry up and disconnect the fingerprint flex cable.

  10. Twist the backcover around 180° and lay it down to align the bottom end of the backcover the top edge of the battery. Twist the backcover around 180° and lay it down to align the bottom end of the backcover the top edge of the battery. Twist the backcover around 180° and lay it down to align the bottom end of the backcover the top edge of the battery.
    • Twist the backcover around 180° and lay it down to align the bottom end of the backcover the top edge of the battery.

  11. Remove the #00 Phillips screw (2.8 mm length).
    • Remove the #00 Phillips screw (2.8 mm length).

  12. Use a pair of tweezers to remove the small metal shield which covers the battery and the charging port and headphone jack flex cable connectors. Use a pair of tweezers to remove the small metal shield which covers the battery and the charging port and headphone jack flex cable connectors. Use a pair of tweezers to remove the small metal shield which covers the battery and the charging port and headphone jack flex cable connectors.
    • Use a pair of tweezers to remove the small metal shield which covers the battery and the charging port and headphone jack flex cable connectors.

  13. Use a spudger to pry up and disconnect the charging port and headphone jack flex cable. Use a spudger to pry up and disconnect the charging port and headphone jack flex cable.
    • Use a spudger to pry up and disconnect the charging port and headphone jack flex cable.

  14. Remove the backcover. Remove the backcover.
    • Remove the backcover.

  15. Use a spudger to pry up and disconnect the battery flex cable. Use a spudger to pry up and disconnect the battery flex cable.
    • Use a spudger to pry up and disconnect the battery flex cable.

  16. Use a pair of tweezers to unhinge and remove the small metal shield that covers the main and interconnect flex cable connectors. The metal shield is held in place by mild adhesive. In case you're having trouble removing it, you can apply a heated iOpener to loosen the adhesive underneath. The metal shield is held in place by mild adhesive. In case you're having trouble removing it, you can apply a heated iOpener to loosen the adhesive underneath.
    • Use a pair of tweezers to unhinge and remove the small metal shield that covers the main and interconnect flex cable connectors.

    • The metal shield is held in place by mild adhesive. In case you're having trouble removing it, you can apply a heated iOpener to loosen the adhesive underneath.

  17. Use a spudger to pry up and disconnect the main flex cable. Use a spudger to pry up and disconnect the main flex cable.
    • Use a spudger to pry up and disconnect the main flex cable.

  18. Fold the main flex cable out of your way to get better access to the battery. Fold the main flex cable out of your way to get better access to the battery.
    • Fold the main flex cable out of your way to get better access to the battery.

  19. Peel the green adhesive strip off the battery. Peel the green adhesive strip off the battery.
    • Peel the green adhesive strip off the battery.

  20. Pull up the green adhesive strip to lift the battery out of its recess. Although this kind of adhesive tab is supposed to make the battery removal easier, it may require some force. In case you're having trouble removing the battery, you can apply a heated iOpener to the center of the display, to loosen the adhesive underneath. Swing the battery up to an upright position.
    • Pull up the green adhesive strip to lift the battery out of its recess.

    • Although this kind of adhesive tab is supposed to make the battery removal easier, it may require some force. In case you're having trouble removing the battery, you can apply a heated iOpener to the center of the display, to loosen the adhesive underneath.

    • Swing the battery up to an upright position.

    • Peel the battery off the remaining adhesive.

    • Remove the battery.

    • During re-assembly, temporarily re-connect the battery to the motherboard to help align it correctly. Disconnect the battery after it is seated.

  21. Peel the battery's adhesive sticker off the midframe. Although it isn't mandatory to remove the adhesive sticker it is highly recommended to use a fresh one, when installing a new battery.
    • Peel the battery's adhesive sticker off the midframe.

    • Although it isn't mandatory to remove the adhesive sticker it is highly recommended to use a fresh one, when installing a new battery.

Conclusion

To reassemble your device, follow these instructions in reverse order. Apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

For optimal performance, calibrate your newly installed battery: Charge it to 100%, and keep charging it for at least two more hours. Then, use it until it shuts off due to low battery. Finally, charge it uninterrupted to 100%

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

12 other people completed this guide.

Dominik Schnabelrauch

Member since: 11/23/2016

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4 Comments

my flex cable is stuck to the top of the metal protector wtf

Audrion Bird - Reply

Any place to get the battery adhesive sticker in order to replace it?

Nothing Else - Reply

I removed the adhesive sticker. Is it dangerous to use the phone without one?

E S - Reply

Hi E S,

are you talking about the battery adhesive? If that is the case i can say - this sticker holds the battery in place and prevents it from moving around. If there is no sticker you might hear some noice when shaking the phone because the battery is moving. However it is unlikely that the battery disconnects because of that since the connector sits under a small metal shield. Depending on the phone movement theres a tiny chance that the battery or its cable deforms or gets damaged from moving around over time. It is not necessary to replace the adhesive with an original one, however i recommend using any double sided tape or similar rather than nothing.

Dominik Schnabelrauch -

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