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Microsoft Lumia 640 LTE Headphone Jack Replacement

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  1. Microsoft Lumia 640 LTE Headphone Jack Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use your thumb or fingernail on the edge/corner of the phone to pry the back cover off the phone.

  2. Microsoft Lumia 640 LTE Headphone Jack Replacement, Screen: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement, Screen: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement, Screen: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Use the tweezers to pull back the sticker, revealing the screw underneath.

    • Be careful when removing the screws as they can strip easily.

  3. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use a T4 Torx driver to remove the screws in the four corners, along with the two in the middle left side (six total).

  4. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Using the T4 Torx driver, unscrew the two screws.

    • Keep these screws separate from the screws from back of the phone to ensure that the right screws go where they belong.

  5. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use a plastic opening tool to separate the screen from the back plastic casing

    • Use tweezers to release the clip on the side of device, and remove the back of the phone.

  6. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Using the tweezers or a spudger, pull the gold tab up gently.

    • Using tweezers or a spudger, lift the white connector up gently to completely detach the screen from the phone.

    • For motherboard replacement, skip to Step 11 after finishing this step.

  7. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Using a plastic opening tool to carefully get under the gold strip.

    • Use tweezers to pull up the camera.

    • Use tweezers to pull up on the depth sensor.

    • This is held in by a strong adhesive.

  8. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use a plastic opening tool to pry up the ear speaker.

    • This is held in by strong adhesive.

  9. Microsoft Lumia 640 LTE Headphone Jack Replacement, Headphone Jack: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Unscrew the 2 remaining screws with the T-4 bit.

  10. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use the tweezers to remove the speaker.

  11. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:011crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Use the plastic opening tool to lift up the black tab.

    • Use the tweezers to gently pull up on the gold tab.

    • Using the spudger, slowly get underneath the gold sticker and pry it up. This sticker is held down with a strong adhesive.

  12. Microsoft Lumia 640 LTE Headphone Jack Replacement: crwdns2935265:012crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use the tweezers to remove the orange insulator foam.

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

Nick Emmert

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649 crwdns2915208:0crwdne2915208:0

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Linn Benton Community College, Team S1-G2, Johnson Fall 2018 crwdns2935289:0Linn Benton Community College, Team S1-G2, Johnson Fall 2018crwdne2935289:0

LBCC-JOHNSON-F18S1G2

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