Introduction
Damaged touch screen of a mobile phone may render the device useless as it disables the touch function in the affected zone or at times the entire screen. Using this guide, damaged touch screen of a Samsung galaxy S2 mobile phone can be easily replaced at home using standard tools. This guide also provides information about the major components used in a mobile phone and the handling precautions to be taken during disassembly. Replacement of screen must be carried out extremely carefully to avoid damage to other delicate components.
What you need
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Gently remove the back cover starting from the slot given on the right side.
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Use a Phillips #00 screwdriver to remove the battery from the slot.
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Use a magnetic philips #0 head screw driver to open the 7 x 1/16 in (1.6 mm) philips head screws shown in the image.
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Gently unlock the snap locks starting from the top left corner and progressing along the perimeter to remove the back case.
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Remove the plastic cover carefully and place on the white paper.
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Use a screwdriver or another pointed tool to disconnect the screen connector.
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Lift the cable out of the slot.
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Use a screwdriver to gently lift the speaker which is fixed to the base with double side tape.
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Gently lift the earpiece using a flat screwdriver.
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Unplug the secondary camera connector carefully and lift the cable.
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Then unplug the connector that receives the input from the screen.
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Remove the connection for the charging port using a screw driver.
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Disconnect the antennae from both the ends by removing the connections using flat screwdriver.
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Carefully pull out the antennae cable from the slot.
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Gently peel off the power button fixed with double adhesive tape.
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Carefully lift the button out of the slot.
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Repeat the same procedure from step 15 to remove the volume up down button.
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Now the main board is free. Carefully lift it up and place on the workbench gently.
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Peel off the ribbon cable connecting the charging port and microphone by hand.
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Remove the two 2.0 mm screws using the Phillips #0 screwdriver.
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Lift the microphone gently.
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Lift the board out from the metal casing and place on the workbench.
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Finally push the screen out applying force through the screwdriver at the highlighted locations.
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Take out the screen, clean the remaining double side tape and adhesive.
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Install the new screen and follow the same steps in reverse order to re assemble the phone.
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To reassemble your device, follow these instructions in reverse order.
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