Introduction

Use this guide to replace a defective motherboard in your Samsung Galaxy S4 Active.

  1. Pry with a plastic opening tool, or your fingernail, in the divot to the left of the rear-facing camera, near the power button.
    • Pry with a plastic opening tool, or your fingernail, in the divot to the left of the rear-facing camera, near the power button.

    • Lift the rear case by the corner nearest the divot and remove it from the phone.

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  2. Use a plastic opening tool, or your fingernail, to press the microSD card slightly deeper into its slot until you hear a click.
    • Use a plastic opening tool, or your fingernail, to press the microSD card slightly deeper into its slot until you hear a click.

    • After the click, release the card and it will pop out of its slot.

    • Remove the microSD card.

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    • Insert a plastic opening tool, or your finger, into the notch of the battery compartment and lift the battery upward to remove it.

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    • Use a plastic opening tool, or your fingernail, to press the SIM card slightly deeper into its slot until you hear a click.

    • After the click, release the card and it will pop out of its slot.

    • Remove the SIM card.

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    • Use the tip of a spudger to remove the four metallic pads located in each corner of the device.

    • Using a Phillips #00 screwdriver, remove the 12 screws connecting the midframe to the device.

    Important! 4 of the screws are under the little "metallic" bolsters, one at each corner. These can be removed with a plastic opening tool.

    jeremiahmitchell87 - Reply

    • Use the plastic opening tool to pry around the entire edge of the midframe now to release it from the front case.

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    • Use the flat end of a plastic opening tool to disconnect the USB board connector.

    • Disconnect the front-facing camera cable connector.

    • Disconnect the earpiece speaker assembly cable connector.

    • Disconnect the headphone jack assembly cable connector.

    • Disconnect the display/digitizer cable connector.

    • Disconnect the antenna cable connector.

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    • Remove the single 2.4 mm Phillips #00 screw from the motherboard assembly.

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    • Remove the motherboard.

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Conclusion

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

21 other people completed this guide.

Geoff Wacker

Member since: 09/30/2013

72,698 Reputation

84 Guides authored

2 Comments

Kiitos paljon

Kimmo Vaalanti - Reply

I need a diagnosis. My device seems to be in a boot loop....any thought and suggestions would be helpful.

Justin Lujan - Reply

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