Remove the battery by pulling up on the tab near the camera lens.
Insert the new battery into the open slot. Make sure the battery is oriented so that the Palm logo is in the upper-left corner opposite the camera lens.
Use a plastic opening tool to lift the motherboard up and out of the phone case
There is a black cable under the motherboard that must be disconnected while the motherboard is still in the phone
It can easily be disconnected with your fingers
Note: During this process the mute and power buttons may fall out of the phone. Do not panic this is completely normal. Set them aside in a safe place until reassembly.