Introduction
The procedure is difficult. You must have experience to do this !!!
How to disassemble / make apart and change broken or not working touch screen. Video tutorial:
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Disconnect the LCD display cable and the menu buttons cable.
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There are another two cable connector between the main board and the additional upper board.
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In case to remove the upper board, unscrew the screw and release the power button flex cable and the volume up/down flex cable.
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In another side of the board is the touchscreen flex cable connector.
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Use hot air to warm the touchscreen.
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With a plastic tool start to separate the touchscreen.
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Gently release the menu flex cable from the touch screen.
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The touchscreen flex cable go between the LCD display and the upper case / housing.
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Again use a plastic tool and hot air to free up the cable.
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Work carefully to avoid breaking the display.
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To reassemble your device, follow these instructions in reverse order.
