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This guide is used for replacing the motherboard on the device . This makes the device to work at faster speeds.
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Use your thumb or fingernail on the edge/corner of the phone to pry the back cover off the phone.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Use the tweezers to pull back the sticker, revealing the screw underneath.
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Use a T4 Torx driver to remove the screws in the four corners, along with the two in the middle left side (six total).
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Using the T4 Torx driver, unscrew the two screws.
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Use a plastic opening tool to separate the screen from the back plastic casing
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Use tweezers to release the clip on the side of device, and remove the back of the phone.
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Using the tweezers or a spudger, pull the gold tab up gently.
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Using tweezers or a spudger, lift the white connector up gently to completely detach the screen from the phone.
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Using a plastic opening tool to carefully get under the gold strip.
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Use tweezers to pull up the camera.
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Use tweezers to pull up on the depth sensor.
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Use a plastic opening tool to pry up the ear speaker.
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Unscrew the 2 remaining screws with the T-4 bit.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Use the tweezers to remove the speaker.
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Use the plastic opening tool to lift up the black tab.
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Use the tweezers to gently pull up on the gold tab.
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Using the spudger, slowly get underneath the gold sticker and pry it up. This sticker is held down with a strong adhesive.
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Use the tweezers to remove the orange insulator foam.
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Using the pry tool lift up on the black tab
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Using the spudger, press out the motherboard.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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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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I have a Microsoft luma 640 LTE ...the battery won't charge ...so I got another battery and it won't power on...the new battery is good...it's the side button that wont power on when I puch it...does the motherboard need to be replaced? I got another Microsoft luma 640 phone that I could switch the motherboard out with my old phone...I'm question is will I be able to access my contacts, pictures etc after changing out the motherboard..
