Garmin Nuvi 680 Battery Replacement

Locate the antenna on the back of the device and gently flip it open to reveal the screws underneath.

Remove the two 4.42 mm screws in the top-left and top-right corners of the antenna cover using a T5 Torx screwdriver

Remove the antenna cover.

Set the removed cover aside carefully.

Locate the green antenna circuit board in the middle of the case.

Gently use 1 or 2 fingers to grab and pull the antenna circuit board out of the middle of the case.

Insert the pointed end of a spudger into the leftmost slit at the top of the antenna case, where you previously removed the circuit board

Once the spudger is inserted into the leftmost end of the slit at the top of the antenna case, slide it to the rightmost side of the slit.

Slide the antenna case out of the device.

Identify the antenna assembly, which is now exposed after removing the antenna cover.

The two screws are positioned at the top-left and top-right corners of the antenna assembly

Use a T5 Torx screwdriver to remove the 10.82 mm screws from the top-left and top-right corners of the antenna assembly.

Using your iFixit Opening Tool, gently insert a flat end of the tool into the slit of the top cover.

Use the Opening Tool and your hands to pull apart the front and back of the device. Grip the top and bottom sides with your hand while inserting the tool into the slit to gently separate the two halves

Use a spudger to disconnect the yellow antenna wire from the ZIF connector by opening the brown latch holding the wire in place.

Remove the antenna.

Lift the latches on the ribbon cable connectors. All the ribbon cables may have latches. The right most latch may have a latch that flips in the opposite direction from the others.

Gently pull the ribbon cables out of their connectors. They should slide out easily.

Gently pull the cable for the on/off button straight up to remove it.

The two halves of the device may now be separated.

Use a Phillips #1 screwdriver to remove the two 6.88 mm screws located towards the center of the motherboard.

Use a spudger to lift the edge of the motherboard.

Insert it at the bottom and use it as leverage to slowly release the motherboard from the case.

Gently unplug the cable for the battery. It has a red and black cable.

Pull it straight up and away from the motherboard.

Gently unplug the cable for the speaker. It has a blue and black cable.

Pull it straight up and away from the motherboard.

Gently lift the motherboard straight up and out of the outer case.

Use a spudger to gently pry the battery out of its slot.

Remove the battery.