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Samsung Galaxy A11 Motherboard Replacement

Introduction

A smartphone motherboard houses various critical components of your device, including the storage, processor, camera, and more. If your device is not turning on, the screen is malfunctioning, frequently restarts, or overheating with minimal heat, follow this guide to safely remove or replace the motherboard in your Samsung Galaxy A11.

For your safety, this guide lists how to remove the battery from your device prior to removing the motherboard. Follow these instructions to tell if your battery is swollen, to remove and recycle it, to prevent future swollen batteries.

If you are replacing the motherboard in your phone, and are therefore disposing of your old motherboard, follow these instructions.

What you need

  1. Samsung Galaxy A11 Motherboard Replacement, Back Cover: step 1, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement, Back Cover: step 1, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement, Back Cover: step 1, image 3 of 3

    • Place the SIM eject tool in the hole of the sim tray.

    • Push until part of the SIM tray is pushed out.

    • Pull out the rest of the SIM tray.

    Edit

  2. Samsung Galaxy A11 Motherboard Replacement: step 2, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement: step 2, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement: step 2, image 3 of 3

    • Gently pry open the area of the back cover near the SIM tray using an iFixit opening pick.

    • Gently move the pick along the gap and pry open the clips holding it together.

    • If possible, use multiple picks to prevent the back cover from closing.

    Edit

  3. Samsung Galaxy A11 Motherboard Replacement: step 3, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement: step 3, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement: step 3, image 3 of 3

    • Using a hair dryer on low heat, heat the fingerprint sensor in increments of 30 seconds to loosen the surrounding adhesive.

    • Gently push the fingerprint sensor until it detaches from the back cover.

    • If needed, remove the button by prying it from the bottom of the device.

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  4. Samsung Galaxy A11 Motherboard Replacement, Battery: step 4, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement, Battery: step 4, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement, Battery: step 4, image 3 of 3

    • Remove the three 3 mm screws from the shield using a Phillips #000 screwdriver.

    • Remove the shield from the phone.

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  6. Samsung Galaxy A11 Motherboard Replacement: step 5, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement: step 5, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement: step 5, image 3 of 3

    • Using tweezers, a spudger, or your fingers, disconnect the battery press connector from the phone.

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  7. Samsung Galaxy A11 Motherboard Replacement: step 6, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement: step 6, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement: step 6, image 3 of 3

    • If needed, use a hairdryer on low heat to soften the adhesive under the battery. If The Battery Is Expanded, DO NOT USE A HAIRDRYER or heat; be very careful when removing to not puncture the battery.

    • Use an iFixit pry tool to dig under the battery edge.

    • If needed, use multiple pry tools to hold the battery in place.

    • Continue to cut the adhesive under the battery until you are able to pry the battery away from the phone.

    • Remove the battery from the phone.

    Edit

  8. Samsung Galaxy A11 Motherboard Replacement, Fingerprint Sensor: step 7, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement, Fingerprint Sensor: step 7, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement, Fingerprint Sensor: step 7, image 3 of 3

    • Using a spudger, detach the ribbon cable connected to the fingerprint sensor.

    • Remove the fingerprint sensor from the device.

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  9. Samsung Galaxy A11 Motherboard Replacement, Motherboard: step 8, image 1 of 1

    • Remove the two 3 mm silver screws from the top left of the device using a Phillips #000 screwdriver.

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  10. Samsung Galaxy A11 Motherboard Replacement: step 9, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement: step 9, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement: step 9, image 3 of 3

    • Using a spudger, disconnect the two ribbon cables attached to the battery slot from the motherboard.

    • Disconnect the two longer ribbon cables near the bottom right corner of the motherboard.

    • Lift these cables up slightly to reveal a gap.

    Edit

  11. Samsung Galaxy A11 Motherboard Replacement: step 10, image 1 of 3 Samsung Galaxy A11 Motherboard Replacement: step 10, image 2 of 3 Samsung Galaxy A11 Motherboard Replacement: step 10, image 3 of 3

    • Using a spudger, gently pry the motherboard up using the corner revealed in the previous step.

    • If needed, use a metal spudger as a sturdier alternative.

    • If using a metal spudger, it is important to be gentle in order to not damage any components of the device.

    • Remove the motherboard from the device.

    Edit
Conclusion

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

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Chloe Bulloch

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Utah Tech University, Team 1-6, Crenshaw Fall 2024 Member of Utah Tech University, Team 1-6, Crenshaw Fall 2024

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