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Introduzione

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.

  1. Gently remove the back cover starting from the slot given on the right side.
    • Gently remove the back cover starting from the slot given on the right side.

  2. Use a Phillips #00 screwdriver to remove the battery from the slot.
    • Use a Phillips #00 screwdriver to remove the battery from the slot.

    • Carefully place the battery away from some hot object or fire.

  3. 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.
    • 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.

    • Place the screws carefully in a box.

  4. Gently unlock the snap locks starting from the top left corner and progressing along the perimeter to remove the back case. To unlock the snaps, apply force close to the snap in order to avoid cracking of the plastic cover. Remove the plastic cover carefully and place on the white paper.
    • Gently unlock the snap locks starting from the top left corner and progressing along the perimeter to remove the back case.

    • To unlock the snaps, apply force close to the snap in order to avoid cracking of the plastic cover.

    • Remove the plastic cover carefully and place on the white paper.

  5. Use a screwdriver or another pointed tool to disconnect the screen connector. Lift the cable out of the slot.
    • Use a screwdriver or another pointed tool to disconnect the screen connector.

    • Lift the cable out of the slot.

    • Gently handle the cable to avoid damage to the cable or the connector.

  6. Remove the connector for the speaker and audio jack carefully. Gently lift the cable to avoid damage to the cable or the connector.
    • Remove the connector for the speaker and audio jack carefully.

    • Gently lift the cable to avoid damage to the cable or the connector.

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  8. Use a screwdriver to gently lift the speaker which is fixed to the base with double side tape. Gently lift the earpiece using a flat screwdriver. Gently lift the earpiece using a flat screwdriver.
    • Use a screwdriver to gently lift the speaker which is fixed to the base with double side tape.

    • Gently lift the earpiece using a flat screwdriver.

  9. Unplug the secondary camera connector carefully and lift the cable. Then unplug the connector that receives the input from the screen. Remove the connection for the charging port using a screw driver.
    • Unplug the secondary camera connector carefully and lift the cable.

    • Then unplug the connector that receives the input from the screen.

    • Remove the connection for the charging port using a screw driver.

    • Handle carefully to avoid tearing off the cable.

  10. Remove the two 1.6 mm black head screws using the Phillips #00 screwdriver. Remove the two 1.6 mm black head screws using the Phillips #00 screwdriver.
    • Remove the two 1.6 mm black head screws using the Phillips #00 screwdriver.

  11. Disconnect the antennae from both the ends by removing the connections using flat screwdriver. Carefully pull out the antennae cable from the slot.
    • Disconnect the antennae from both the ends by removing the connections using flat screwdriver.

    • Carefully pull out the antennae cable from the slot.

  12. Gently peel off the power button fixed with double adhesive tape. Carefully lift the button out of the slot.
    • Gently peel off the power button fixed with double adhesive tape.

    • Carefully lift the button out of the slot.

    • Try to keep the double side tape on the button and handle the cable carefully to avoid tearing the ribbon.

  13. Repeat the same procedure from step 15 to remove the volume up down button. Repeat the same procedure from step 15 to remove the volume up down button.
    • Repeat the same procedure from step 15 to remove the volume up down button.

  14. Now the main board is free. Carefully lift it up and place on the workbench gently. Now the main board is free. Carefully lift it up and place on the workbench gently.
    • Now the main board is free. Carefully lift it up and place on the workbench gently.

  15. Peel off the ribbon cable connecting the charging port and microphone by hand. Peel off the ribbon cable connecting the charging port and microphone by hand.
    • Peel off the ribbon cable connecting the charging port and microphone by hand.

  16. Remove the two 2.0 mm screws using the Phillips #0 screwdriver.
    • Remove the two 2.0 mm screws using the Phillips #0 screwdriver.

  17. Lift the microphone gently. Lift the board out from the metal casing and place on the workbench. Lift the board out from the metal casing and place on the workbench.
    • Lift the microphone gently.

    • Lift the board out from the metal casing and place on the workbench.

  18. Finally push the screen out applying force through the screwdriver at the highlighted locations. Take out the screen, clean the remaining double side tape and adhesive. Install the new screen and follow the same steps in reverse order to re assemble the phone.
    • Finally push the screen out applying force through the screwdriver at the highlighted locations.

    • Take out the screen, clean the remaining double side tape and adhesive.

    • Install the new screen and follow the same steps in reverse order to re assemble the phone.

Conclusione

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

Bader

Membro da: 16/04/2020

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