Introduction

Use this guide to replace a broken or defective IR blaster.

  1. Lift back cover while pressing highlighted release switch towards the center of the phone.
    • Lift back cover while pressing highlighted release switch towards the center of the phone.

  2. Remove the four white stickers in each corner that cover the Tri-Wing screws.
    • Remove the four white stickers in each corner that cover the Tri-Wing screws.

    • Remove the white sticker near the buttons that control the volume.

    • Remove the white sticker near the SIM card.

    • Remove the big white sticker with the bar-code in the center of the phone.

    • Remove the thirteen Tri-Wing Y00 screws (Upper & Lower screws are 5 mm length, middle screws are 3.8 mm length) from the back case.

    • Disconnect the cable near the volume buttons.

    • Use the small plastic opening tool to pry between the screen and the rear case.

    • Use Tweezers to disconnect the ribbon cable connecting the fingerprint sensor to the motherboard.

    • When replacing the fingerprint sensor, make sure the ribbon cable snaps into the port on the motherboard.

    • Remove the two 2.2 mm Phillips #000 screws holding the battery cable.

    • Use a plastic tool to remove the ribbon cable.

    • Use the plastic opening tool to disconnect the two antenna wires at the top of the phone.

    • Use the plastic opening tool to disconnect a third antenna wire at the bottom of the phone.

    • Remove the seven 3 mm Phillips #000 screws from the motherboard.

    • Use a plastic tool to pry up and disconnect the large ribbon cables on each side of the motherboard.

    • Use caution prying the ribbon cable on the right side because other ribbon cables run under it.

    • Remove the tape covering three flex cable gate connectors on the bottom left side of the phone.

    • Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.

    • Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.

    • Use a plastic tool to lift and remove the motherboard.

    • Use a heat gun to loosen adhesive at bottom if needed.

    • Remove the three 3 mm Phillips #000 screws from the secondary board at the top.

    • Pick up and set aside vibrator, do not disconnect.

    • Pull out ribbon cable.

    • Peel back infrared sensor.

Conclusion

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

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Andrew Keller

Member since: 09/23/2014

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USF Tampa, Team 11-3, Blackwell Fall 2014 Member of USF Tampa, Team 11-3, Blackwell Fall 2014

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