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BLU Dash JR D140 Microphone Replacement

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This guide will take a bit of time so make sure your schedule is free before you attack this guide! If you have no soldering experience I suggest looking at Ifixits guide on soldering here.

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  1. BLU Dash JR D140 Microphone Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Turn off the phone first. Press the power button continuously for 2-3 seconds to shut down the phone.

    • Using a plastic opening tool, pry open the back cover from the slit on the bottom right corner of the phone.

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  2. BLU Dash JR D140 Microphone Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using a plastic opening tool or finger, pull out the battery.

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  3. BLU Dash JR D140 Microphone Replacement, Microphone: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the four 4.0mm Phillips #1 screws.

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  4. BLU Dash JR D140 Microphone Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 BLU Dash JR D140 Microphone Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Starting from a corner, separate the panel from the frame using the plastic opening tool.

    • The volume button will pop out.

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  6. BLU Dash JR D140 Microphone Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Unscrew the 3.6mm Phillips #0 screw from the motherboard.

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  7. BLU Dash JR D140 Microphone Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using a spudger, lift the black ZIF connector at the top left corner of the phone.

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  8. BLU Dash JR D140 Microphone Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Pull the ribbon cable out of the ZIF connector.

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  9. BLU Dash JR D140 Microphone Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • When the ribbon cable is removed from the ZIF connector, peel off the power sticky button using a plastic opening tool.

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  10. BLU Dash JR D140 Microphone Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Peel off the volume sticky button.

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  11. BLU Dash JR D140 Microphone Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Separate the screen cover from the motherboard using the plastic opening tool.

    • Make sure that the LCD screen stays attached to the motherboard while doing this.

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  12. BLU Dash JR D140 Microphone Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 BLU Dash JR D140 Microphone Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 BLU Dash JR D140 Microphone Replacement: crwdns2935265:011crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • The microphone is at the bottom left corner of the phone.

    • Lift the microphone very carefully. Unsolder the two lower wires (one red wire and one black wire).

    • If you don't feel comfortable with this step I recommend looking at Ifixit's solder guide here.

    • Solder the new microphone in the same spot. The black wire will go in the left spot and the red wire in the right spot.

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

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Saravpreet singh

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