Difficulty
Moderate
Steps
9
Time Required
1 - 2 hours
Sections
1
- Battery
- 9 steps
Flags
2
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BackFitbit Alta HR
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Introduction
What you need
Step 1
Remove straps
- Push in the clip and slide off the strap from each side.
Push in the clip and slide off the strap from each side.
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Step 2
Remove front cover
- Use a spudger to remove the front cover.
Use a spudger to remove the front cover.
Step 3
Lift display
- Use a spudger to lift the display.
Use a spudger to lift the display.
Step 4
Disconnect heart rate monitor
- Use a spudger to disconnect the cable that connects the heart rate monitor to the motherboard.
Use a spudger to disconnect the cable that connects the heart rate monitor to the motherboard.
Step 5
Remove screws from motherboard
- Use a hex 0.7 screwdriver to remove the screws from the motherboard.
Use a hex 0.7 screwdriver to remove the screws from the motherboard.
Step 6
Lift motherboard
- Use a spudger to lift the motherboard.
Use a spudger to lift the motherboard.
Step 7
Lift battery and remove innards
- Use a spudger to lift the battery.
- When the battery is lifted, the connected components (display, motherboard, battery) will come out.
Use a spudger to lift the battery.
When the battery is lifted, the connected components (display, motherboard, battery) will come out.
Step 8
Detach battery
- Use a soldering iron to desolder the two battery contacts from the motherboard.
Use a soldering iron to desolder the two battery contacts from the motherboard.
Step 9
Solder new battery
- Ensure positive and negative wires are in the correct positions. There are + and – signs on the motherboard. Red is positive. Black is negative.
- Use a soldering iron and lead-free solder to solder the new battery to the motherboard.
Ensure positive and negative wires are in the correct positions. There are + and – signs on the motherboard. Red is positive. Black is negative.
Use a soldering iron and lead-free solder to solder the new battery to the motherboard.
To reassemble your device, follow these instructions in reverse order.
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Wendy Sato
Member since: 11/12/2016
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