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Sony Xperia E4 Logic Board Replacement

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E2104, E2105, E2115, E2124

How to disassemble Sony Xperia E4 and remove / replace the logic board.

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  1. Sony Xperia E4 Logic Board Replacement, Battery Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement, Battery Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement, Battery Cover: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the back cover and any installed SIM and memory cards.

    • There are 8x black screws Torx T4. Remove them.

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  2. Sony Xperia E4 Logic Board Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the small black rubber at the lower left corner.

    • Under it is the battery flex cable, disconnect it.

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  4. Sony Xperia E4 Logic Board Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use a plastic tool to separate the middle frame.

    • The battery is glued to the middle frame with an adhesive tape.

    • Loudspeaker

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  5. Sony Xperia E4 Logic Board Replacement, Logic Board: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement, Logic Board: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement, Logic Board: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Disconnect the touch screen flex cable.

    • Under it is the LCD flex cable. Disconnect it also.

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  6. Sony Xperia E4 Logic Board Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony Xperia E4 Logic Board Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the logic board.

    • Be careful for the flex cables.

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

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