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If no other troubleshooting tips help, it may be time to install a new motherboard. This installation guide will walk the reader through the steps required in replacing the motherboard.
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Locate the power button at the top of the phone. Depress power button for 2 seconds until a menu appears.
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Once the menu appears, select the "power off" option. Wait until the phone is completely off.
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Place thumb on the back cover, and push down towards the bottom of the device. Once the cover releases, pull it away from the phone and set it aside.
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Find the yellow pull tab located in the upper left corner. Pull the tab until the battery dislodges. Grab the battery by the raised edge, and remove it from the case.
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The battery has been successfully removed.
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Remove the micro SD card from its connector.
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Locate the seam between the back case and the end cover on the top edge of the phone.
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Use the plastic opening tool to detach the two clips by wedging the tool into the right side of the seam and moving right to left. Once the cover comes off set it aside
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Use a T5 Torx screwdriver to remove the screws in each corner of the phone.
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Flip the phone over and locate the screw on the middle of the left side. Unscrew it using the T5 Torx screwdriver and set it aside.
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Identify the screw located in the bottom right corner of the battery case. Remove the screw with a T5 (or in some cases T6) torx screwdriver and set it aside.
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Locate the seam along the right edge of the phone. Use the prying tool to disconnect the two clips along the edge.
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Locate the two clips on the inside of the case and use the spudger tool to detach them from the case. To detach each clip, use the sharp end to press the small, black plastic in the center of the clip.
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After the clips are detached, remove the back case and set it aside.
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Remove the screws along both sides of the motherboard using a T3 Torx screwdriver. On some phones this may require a #1 Phillips Screw Driver.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Carefully remove the white connecting wire from the motherboard using tweezers.
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Scrape away the electrical tape that covers the LCD and digitizer cable using the spudger tool or a fingernail.
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Use the spudger tool to pop the Digitizer cable off of the motherboard.
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Carefully flip the small white connector up and away from the motherboard.
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Gently pull the flat gold cable out from the connector.
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Carefully lift the motherboard and camera module up. Do not remove it from the phone!
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Using the spudger tool, pop the black cable connector off of the motherboard.
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It is to safe remove the motherboard from the phone.
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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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Cal Poly, Team 18-40, Regan Fall 2012 crwdns2935289:0Cal Poly, Team 18-40, Regan Fall 2012crwdne2935289:0
CPSU-REGAN-F12S18G40
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