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Redmi Note 9 Pro - Reboots, Power On flex Replacement

Introduction

How to disassemble device and fix restarting problem.

What you need

Video Overview

Xiaomi Redmi Note 9 Pro restarts - Power On flex replacement

  1. Redmi Note 9 Pro - Reboots, Power On flex Replacement, Back cover removal: step 1, image 1 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Back cover removal: step 1, image 2 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Back cover removal: step 1, image 3 of 3

    • Warm up the device to soften the adhesive.

    • Use plastic tools and a little isopropyl alcohol to separate the back cover.

    Edit

  2. Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard plastic cover removal.: step 2, image 1 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard plastic cover removal.: step 2, image 2 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard plastic cover removal.: step 2, image 3 of 3

    • Remove the Phillips screws that secure the plastic cover.

    • Use a plastic opening tool to remove the cover.

    Edit

  4. Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard removal - part 1: step 3, image 1 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard removal - part 1: step 3, image 2 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard removal - part 1: step 3, image 3 of 3

    • Disconnect the battery.

    • Remove the main cameras.

    • Remove the SIM tray.

    Edit

  5. Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard removal - part 2: step 4, image 1 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard removal - part 2: step 4, image 2 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Motherboard removal - part 2: step 4, image 3 of 3

    • Disconnect all flex cables:

    • Fingerprint sensor flex cable

    • Screen flex cable

    • Main flex cable

    • Coaxial antenna cable

    • Remove the Phillips screws securing the motherboard to the middle frame

    • Remove the motherboard.

    Edit

  6. Redmi Note 9 Pro - Reboots, Power On flex Replacement, Power on and volume buttons flex cable removal.: step 5, image 1 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Power on and volume buttons flex cable removal.: step 5, image 2 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Power on and volume buttons flex cable removal.: step 5, image 3 of 3

    • Remove the Fingerprint sensor.

    • Remove the volume buttons plastic cap.

    • Use isopropyl alcohol to easily remove the flex cable.

    Edit

  7. Redmi Note 9 Pro - Reboots, Power On flex Replacement, Power on and volume buttons flex cable removal: step 6, image 1 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Power on and volume buttons flex cable removal: step 6, image 2 of 3 Redmi Note 9 Pro - Reboots, Power On flex Replacement, Power on and volume buttons flex cable removal: step 6, image 3 of 3

    • Use playing cards to remove the flex cable.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

5 other people completed this guide.

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ZFix

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