Replacement Fitbit What You Should Know

Introduction

This guide will assist yous supervene upon a Fitbit Alta battery. If yous have let your Fitbit die for long period of fourth dimension, have not been post-obit proper charging practices, or have owned your Fitbit for multiple years, the battery may exist at the finish of its life. In this case, the battery may not turn on, concur a long charge, or stay on when unplugged.

This procedure involves exposing the internal components of the Fitbit, desoldering and disconnecting the onetime bombardment, and soldering in a new battery.

Circumspection: Fitbit can become dysfunctional if soldering is washed incorrectly, and volition not piece of work if the wires are attached to the wrong ends or if the motherboard is exposed to excessive, prolonged heat.

The process will require a T2 Torx Screwdriver, tweezers, razor blade, soldering iron, and solder.

• At one of the corners, push the tweezers in between the metallic casing and screen cover. Use the tweezers to wedge the two pieces apart. Repeat on all 4 corners.

• This step requires a large amount of force. Using a razor blade to slide along the length of the screen cover/metal casing may assistance.

• Once the screen is removed, the Fitbit should wait like the third prototype.



• The screen is partially attached to the motherboard with adhesive, so gently slide the tweezers underneath the unabridged screen to detach it, then lift it up.

• The screen is made out of thin glass, and then brand sure not to exist too rough.

• After this step, the screen should all the same be connected to the motherboard through a small blackness hinge. This piece should Not be removed/cutting.

• Once the screen is lifted, the motherboard will be exposed.

• Remove the center screw holding the motherboard in place with the T2 Torx screwdriver.

• The motherboard is held in place by two small hooks. With the screen opening to the left, use your finger to gently printing downwards and slide the motherboard to the right. In one case free from the clips, lift the lath upward.

• The motherboard is still attached to the casing past some wires, so brand certain not to pull it completely out.

• In one case the motherboard is lifted, you lot will use the tweezers to detach the old battery (located in the bottom left) from the casing. Note that the clear yellow section is a role of the battery.

• The battery is held into the casing with adhesive, then information technology volition need to exist lifted away in the same way that the screen was lifted away in step 2.

• Once the battery is removed, elevator the motherboard and attached components completely out of the casing.

• A soldering iron must be used to melt the solder connecting the battery to the motherboard.

• A guide of how to solder tin be plant hither: How To Solder and Desolder Connections

• Cut the wires of the new battery to an advisable length and strip the ends of the wire casing with the razor to expose the wire.

• Solder the new battery to the motherboard.

• Exist sure to connect the correct wires to the right points on the motherboard, or else device volition non work.

• Repeat steps 3-5 in reverse gild.

• The screen may have reattached itself, preventing you from completing pace three (securing the motherboard). If and then, repeat step 2 and then proceed to step 3.

• You will need to lightly press down on the motherboard while screwing it in, or it will non make contact.

• To reattach the screen, line information technology upward to the metal outline and gently press it down. You may desire to make clean the screen with a material to remove any grit or fingerprints earlier proceeding to the side by side step.

• Replace the screen embrace, making certain to lucifer the aureate plate on the embrace to the golden claw located on the right upperhand corner of the motherboard.

• This stride requires a scrap of strength, and then be sure to use both easily to balance your force evenly across the screen cover, or else yous will risk cracking it.

• Plug your Fitbit into its charger to turn it back on and charge up the new bombardment, if needed.

Conclusion

Your Fitbit should now agree a charge.

Squad

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Source: https://www.ifixit.com/Guide/Fitbit+Alta+Battery+Replacement/126347