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This repair guide was authored by the iFixit staff and hasn’t been endorsed by Google. Learn more about our repair guides here.

Use this guide to remove or replace the Soli radar module responsible for Google’s “Motion Sense” on your Google Pixel 4 XL.

Caution: Google warns that disassembly of the front laser assembly could result in hazardous exposure to invisible infrared laser emissions. Read their safety warnings here.

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  1. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the SIM card tray: step 1, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the SIM card tray: step 1, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the SIM card tray: step 1, image 3 of 3
    • Insert a SIM eject tool, bit, or a straightened paper clip into the small hole on the SIM card tray on the left edge of the phone.

    • Press firmly to eject the tray.

    • Remove the SIM card tray.

  2. Google Pixel 4 XL Soli Motion Sensor Replacement, Heat the back panel glass: step 2, image 1 of 1
    • Prepare an iOpener and apply it to the bottom edge of the back panel for one minute.

    • A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

  3. Google Pixel 4 XL Soli Motion Sensor Replacement, Apply a suction cup: step 3, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Apply a suction cup: step 3, image 2 of 2
    • Apply a suction cup to the heated edge of the back panel by pressing down on it to create suction, as close to the edge as possible.

    • If your back glass is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere. Alternatively, very strong tape may be used instead of the suction cup. If all else fails, you can superglue the suction cup to the broken panel.

  4. Google Pixel 4 XL Soli Motion Sensor Replacement, Insert an opening pick: step 4, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Insert an opening pick: step 4, image 2 of 2
    • Pull up on the suction cup with strong, steady force to create a gap between the back panel and the frame.

    • Depending on the age of your phone, this may be difficult. If you are having trouble, apply more heat to the edge and try again.

    • Insert the point of an opening pick into the gap.

  5. Google Pixel 4 XL Soli Motion Sensor Replacement, Begin to slice the adhesive: step 5, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Begin to slice the adhesive: step 5, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Begin to slice the adhesive: step 5, image 3 of 3
    • Slide the opening pick across the bottom towards the left corner to slice the adhesive.

    • With the pick still inserted, slide it from the bottom left corner over to the bottom right corner to completely slice the bottom side adhesive.

    • Leave the pick inserted in the bottom right corner to prevent the adhesive from re-sealing.

  6. Google Pixel 4 XL Soli Motion Sensor Replacement, Slice the lefthand-side adhesive: step 6, image 1 of 1
    • Prepare an iOpener and apply it on the left edge of the phone for one minute.

  7. Google Pixel 4 XL Soli Motion Sensor Replacement: step 7, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 7, image 2 of 2
    • Insert a second opening pick underneath the back panel directly over the charge port.

    • Slide the opening pick to the bottom left corner of the phone.

  8. Google Pixel 4 XL Soli Motion Sensor Replacement: step 8, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 8, image 2 of 2
    • Slide the opening pick around the bottom left corner and across the left side of the phone to slice the adhesive.

    • The adhesive can be very gummy. Push the pick in and out in a sawing motion to help with slicing.

    • Stop when you reach the top left corner, near the camera, and leave the pick inserted.

  9. Google Pixel 4 XL Soli Motion Sensor Replacement, Slice righthand-side adhesive: step 9, image 1 of 1
    • Prepare an iOpener and apply it on the right edge of the phone for one minute.

  10. Google Pixel 4 XL Soli Motion Sensor Replacement: step 10, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 10, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 10, image 3 of 3
    • With the first two opening picks still in place, insert a third pick on the lower part of the righthand side.

    • Slide the opening pick up towards the top of the phone, slicing the right side's adhesive.

    • Stop when you reach the top right corner, and leave the pick inserted.

  11. Google Pixel 4 XL Soli Motion Sensor Replacement, Slice the top-side adhesive: step 11, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Slice the top-side adhesive: step 11, image 2 of 2
    • Slide the third opening pick around the top right corner and across the top side of the phone, slicing the final strip of adhesive.

  12. Google Pixel 4 XL Soli Motion Sensor Replacement, Lift up the back panel: step 12, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Lift up the back panel: step 12, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Lift up the back panel: step 12, image 3 of 3
    • Once you have sliced around the perimeter of the phone, carefully lift the right edge of the back cover, opening it like a book.

    • Do not try to pull the panel all the way off yet, as it is still connected to the phone.

  13. Google Pixel 4 XL Soli Motion Sensor Replacement: step 13, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 13, image 2 of 2
    • Continue swinging open the back panel until you can rest it on the left edge the phone, being careful not to put any stress on the attached ribbon cable.

    • During reassembly, this is a good point to power on your phone and test all functions before sealing it up. Be sure to power your phone back down completely before you continue working.

    • Remove the four T3 Torx screws securing the battery connector shield:

    • One 1.8 mm screw

    • One 4.1 mm screw

    • One 4.4 mm shouldered screw

    • One 4.0 mm shouldered screw

    • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.

  14. Google Pixel 4 XL Soli Motion Sensor Replacement: step 15, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 15, image 2 of 2
    • Use a pair of tweezers to remove the battery connector shield.

  15. Google Pixel 4 XL Soli Motion Sensor Replacement: step 16, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 16, image 2 of 2
    • Whenever you use the spudger near the battery, be very careful not to puncture the battery.

    • Using the pointed end of a spudger, pry the battery connector straight up from the motherboard to disconnect the battery.

    • To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.

  16. Google Pixel 4 XL Soli Motion Sensor Replacement: step 17, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 17, image 2 of 2
    • Using the flat end of a spudger, gently fold the battery cable over so it doesn't accidentally make contact during the rest of your repairs.

  17. Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the back panel connector: step 18, image 1 of 1
    • Use a T3 Torx driver to remove the two 4.1 mm screws securing the back panel connector cover.

  18. Google Pixel 4 XL Soli Motion Sensor Replacement: step 19, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 19, image 2 of 2
    • Use a pair of tweezers to remove the back panel connector cover.

  19. Google Pixel 4 XL Soli Motion Sensor Replacement: step 20, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 20, image 2 of 2
    • Using the pointed end of a spudger, pry up and disconnect the back panel connector.

  20. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the back panel: step 21, image 1 of 1
    • Remove the back panel.

    • Before you install a replacement back panel, be sure to remove all adhesive residue from the phone frame. Use an opening tool and high-concentration isopropyl alcohol to scrape and clean the surface.

    • If you are re-using the back panel, be sure to clean off any adhesive and apply new back panel adhesive.

    • If you are installing a replacement back panel, be sure to compare it with the original part.

  21. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the camera connector covers: step 22, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the camera connector covers: step 22, image 2 of 2
    • Gently pry back the battery adhesive pull tab to allow easier access to the screws underneath it.

  22. Google Pixel 4 XL Soli Motion Sensor Replacement: step 23, image 1 of 1
    • Remove the three T3 Torx screws securing the rear-facing camera connector cover:

    • One 2.7 mm screw

    • One 4.1 mm screw

    • One 4.2 mm screw

  23. Google Pixel 4 XL Soli Motion Sensor Replacement: step 24, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 24, image 2 of 2
    • Use a pair of tweezers to remove the rear-facing camera connector cover.

  24. Google Pixel 4 XL Soli Motion Sensor Replacement: step 25, image 1 of 1
    • Remove the three T3 Torx screws securing the front-facing camera connector cover:

    • One 4.1 mm screw

    • One 4.0 mm shouldered screw

    • One 4.1 mm shouldered screw

  25. Google Pixel 4 XL Soli Motion Sensor Replacement: step 26, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 26, image 2 of 2
    • Use a pair of tweezers to remove the front-facing camera connector cover.

  26. Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the camera and sensor connectors: step 27, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the camera and sensor connectors: step 27, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the camera and sensor connectors: step 27, image 3 of 3
    • Using the pointed end of a spudger, pry the camera and sensor connectors straight up from the motherboard.

  27. Google Pixel 4 XL Soli Motion Sensor Replacement: step 28, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 28, image 2 of 2
    • Disconnect the additional sensor connector.

    • This cable is secured to the phone with some light adhesive.

  28. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the front camera and sensor assembly: step 29, image 1 of 1
    • Remove the three T3 Torx screws securing the front camera and sensor assembly:

    • Two 2.7 mm screws

    • One 3.1 mm screw

  29. Google Pixel 4 XL Soli Motion Sensor Replacement: step 30, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 30, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 30, image 3 of 3
    • Use a pair of tweezers to remove the front camera and sensor assembly.

  30. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the screws securing the display connector cover: step 31, image 1 of 1
    • Use a T3 Torx driver to remove the four 3.5 mm screws securing the display connector cover.

  31. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the display connector cover: step 32, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the display connector cover: step 32, image 2 of 2
    • Use a pair of tweezers to remove the display connector cover.

  32. Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the display connector: step 33, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the display connector: step 33, image 2 of 2
    • Use the flat end of a spudger to disconnect the display connector from the motherboard.

  33. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the motherboard screw: step 34, image 1 of 1
    • Use a T3 Torx driver to remove the 2.7 mm screw securing the motherboard to the frame.

  34. Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the motherboard press connectors: step 35, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the motherboard press connectors: step 35, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the motherboard press connectors: step 35, image 3 of 3
    • Use the pointed end of a spudger to disconnect the side buttons connector from the motherboard.

    • Disconnect the two rear-facing camera connectors from the motherboard.

  35. Google Pixel 4 XL Soli Motion Sensor Replacement: step 36, image 1 of 1
    • Disconnect the earpiece speaker connector from the motherboard.

  36. Google Pixel 4 XL Soli Motion Sensor Replacement: step 37, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 37, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 37, image 3 of 3
    • Disconnect the two grip sensor connectors from the motherboard.

    • Disconnect the charge port connector from the motherboard.

  37. Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the antennas: step 38, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the antennas: step 38, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement, Disconnect the antennas: step 38, image 3 of 3
    • Use the pointed end of a spudger and pry up gently to unclip the top antenna connector from the motherboard.

    • Disconnect the bottom antenna connector.

  38. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the motherboard: step 39, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the motherboard: step 39, image 2 of 2
    • Using a spudger, pivot the top end of the motherboard up and out of the phone's frame.

  39. Google Pixel 4 XL Soli Motion Sensor Replacement: step 40, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 40, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 40, image 3 of 3
    • Slowly lift out the motherboard, being careful not to snag any ribbon cable connectors.

    • The rear-facing camera module connectors loop around the motherboard, and the camera module is not secured to the phone, so it may lift out with the motherboard during this step.

    • Completely remove the motherboard.

    • When reinstalling the motherboard, check that no ribbon cable connectors are caught underneath.

  40. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the rear cameras: step 41, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the rear cameras: step 41, image 2 of 2
    • Use a pair of tweezers to remove the rear-facing camera module.

  41. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the earpiece module: step 42, image 1 of 1
    • Use a T3 Torx driver to remove the 2 mm screw securing the small earpiece module board to the phone.

  42. Google Pixel 4 XL Soli Motion Sensor Replacement: step 43, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 43, image 2 of 2
    • Using the pointed end of a spudger, slide the board slightly to the side, away from the top of the phone.

    • Do not attempt to entirely remove this board; it's still connected to the earpiece speaker.

  43. Google Pixel 4 XL Soli Motion Sensor Replacement: step 44, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 44, image 2 of 2
    • Using the flat end of a spudger, pry the earpiece module away from the phone's midframe.

    • The earpiece module is attached with some light adhesive, and should come up without too much force.

  44. Google Pixel 4 XL Soli Motion Sensor Replacement: step 45, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement: step 45, image 2 of 2
    • Pull the earpiece speaker away from the light adhesive holding it to the phone's top frame.

    • Do not completely remove the earpiece speaker yet, as the microphone is still adhered to the phone's frame.

  45. Google Pixel 4 XL Soli Motion Sensor Replacement: step 46, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 46, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 46, image 3 of 3
    • Using the pointed end of a spudger, peel the microphone away from the light adhesive holding it to the phone's top frame.

    • Ensure the microphone is completely detached from the top frame before continuing to the next step.

  46. Google Pixel 4 XL Soli Motion Sensor Replacement: step 47, image 1 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 47, image 2 of 3 Google Pixel 4 XL Soli Motion Sensor Replacement: step 47, image 3 of 3
    • Use a pair of tweezers to remove the earpiece speaker and Soli motion sensor assembly.

  47. Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the Soli motion sensor cable: step 48, image 1 of 2 Google Pixel 4 XL Soli Motion Sensor Replacement, Remove the Soli motion sensor cable: step 48, image 2 of 2
    • Use a pair of tweezers to peel away and remove the Soli motion sensor cable, which is held in place with some light adhesive.

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Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

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

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

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Carsten Frauenheim

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