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Introducción

If your handset is encountering difficulties, replacing the motherboard may resolve it. Use the anti-static wrist strap as a precautionary measure to prevent damage to the motherboard.

  1. ATT EL52300 Motherboard Replacement, Battery: paso 1, imagen 1 de 2 ATT EL52300 Motherboard Replacement, Battery: paso 1, imagen 2 de 2
    • Find the bump where the battery cover meets the phone. Put your thumb here, and push and slide the cover down.

  2. ATT EL52300 Motherboard Replacement: paso 2, imagen 1 de 1
    • Unplug the battery by squeezing your hands on the small white plug and lifting it up.

    • Do not pull on the wire itself because you might damage the wire!

    • The battery is now detached and ready to be removed by lifting it out.

  3. ATT EL52300 Motherboard Replacement, Motherboard: paso 3, imagen 1 de 2 ATT EL52300 Motherboard Replacement, Motherboard: paso 3, imagen 2 de 2
    • Remove the two 3.75 mm screws with a PH1 screwdriver.

  4. ATT EL52300 Motherboard Replacement: paso 4, imagen 1 de 2 ATT EL52300 Motherboard Replacement: paso 4, imagen 2 de 2
    • Use a plastic opening tool to remove the handset case.

    • Be careful to not lift the case too far as the ringer cable is attached to the case.

  5. ATT EL52300 Motherboard Replacement: paso 5, imagen 1 de 2 ATT EL52300 Motherboard Replacement: paso 5, imagen 2 de 2
    • Remove the two 3.65 mm screws on the motherboard with a PH1 screwdriver.

    • Use an anti-static wrist strap to prevent damage to the motherboard.

Conclusión

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

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