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LG Cosmos 3 Motherboard Replacement

필요한 것

  1. LG Cosmos 3 Motherboard Replacement, Motherboard: 1 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement, Motherboard: 1 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement, Motherboard: 1 단계, 이미지 3/3
    • Before completing this step, make sure your device is turned off. Once it is turned off, remove the back cover gently from the phone by prying under the clip near the camera.

  2. LG Cosmos 3 Motherboard Replacement: 2 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 2 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 2 단계, 이미지 3/3
    • Unscrew the six 2 mm screws from under the back panel.

  3. LG Cosmos 3 Motherboard Replacement: 3 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 3 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 3 단계, 이미지 3/3
    • Remove the rear casing by prying along the edge of the keyboard bezel, then along the outside edge near the camera button.

    • Slide out the built in keyboard for part of this step.

  4. LG Cosmos 3 Motherboard Replacement: 4 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 4 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 4 단계, 이미지 3/3
    • Take out the two 3mm screws on the metal plate covering the ribbon cable.

    • Remove ribbon cable cover.

  5. LG Cosmos 3 Motherboard Replacement: 5 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 5 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 5 단계, 이미지 3/3
    • Disconnect ribbon cable.

  6. LG Cosmos 3 Motherboard Replacement: 6 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 6 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 6 단계, 이미지 3/3
    • Disconnect volume buttons and camera button from the mounts.

  7. LG Cosmos 3 Motherboard Replacement: 7 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 7 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 7 단계, 이미지 3/3
    • Remove the motherboard from the rest of phone by prying under the board to the side of the headphone jack.

  8. LG Cosmos 3 Motherboard Replacement: 8 단계, 이미지 1/3 LG Cosmos 3 Motherboard Replacement: 8 단계, 이미지 2/3 LG Cosmos 3 Motherboard Replacement: 8 단계, 이미지 3/3
    • Replace the old motherboard with the new motherboard by reversing previous step, and pressing with plastic tool near ends of board to snap it into place.

결론

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

다른 6명이 해당 안내서를 완성하였습니다.

Will Haslett

회원 가입일: 05/24/16

191 평판

안내서 1개 작성함

댓글 2개

two keys on the slide out keyboard of my phone are not dead but hard to activate. hope this helps me get into the keypad and fix the problem. Thanks for the info. Randall in Nashville

Randall Daley - 답글

This was easy to do: we had a Cosmos2 with a broken screen, but the motherboard fit into a Cosmos3 case and worked fine. Unfortunately, though, it won’t connect to the Verizon network anymore, even though the phone number appears in Phone Info (it was working in 2018). I’m thinking this is due to Verizon’s dropping 1G and 2G network support. Any thoughts are welcome!

Jen Morris - 답글

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