Difficulty
Difficult
Steps
11
Time Required
30 minutes
Sections
2
- Battery
- 2 steps
- Microphone
- 9 steps
Flags
0
BackBLU Dash JR D140
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Introduction
What you need
Step 1
Battery
- 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.
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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Step 2
- Using a plastic opening tool or finger, pull out the battery.
Using a plastic opening tool or finger, pull out the battery.
Step 3
Microphone
- Remove the four 4.0mm Phillips #1 screws.
Remove the four 4.0mm Phillips #1 screws.
Step 4
- Starting from a corner, separate the panel from the frame using the plastic opening tool.
- The volume button will pop out.
Starting from a corner, separate the panel from the frame using the plastic opening tool.
The volume button will pop out.
Step 5
- Unscrew the 3.6mm Phillips #0 screw from the motherboard.
Unscrew the 3.6mm Phillips #0 screw from the motherboard.
Step 6
- Using a spudger, lift the black ZIF connector at the top left corner of the phone.
Using a spudger, lift the black ZIF connector at the top left corner of the phone.
Step 7
- Pull the ribbon cable out of the ZIF connector.
Pull the ribbon cable out of the ZIF connector.
Step 8
- When the ribbon cable is removed from the ZIF connector, peel off the power sticky button using a plastic opening tool.
When the ribbon cable is removed from the ZIF connector, peel off the power sticky button using a plastic opening tool.
Step 9
- Peel off the volume sticky button.
Peel off the volume sticky button.
Step 10
- 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.
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.
Step 11
- 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.
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.
To reassemble your device, follow these instructions in reverse order.
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Author
with 3 other contributors
Saravpreet singh
Member since: 07/08/2015
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Team
UW Tacoma, Team 1-4, Liner SU 2015
Member of UW Tacoma, Team 1-4, Liner SU 2015
UWT-LINER-SU15S1G4
4 Members
2 Guides authored
