Step 1
Pry the two plastic tabs off the bottom of the device with a metal spudger. Remove the screws underneath with a tri-wing screwdriver.
Step 2
Insert a plastic opening tool in-between the screen and the back casing near the bottom left of the device. Slowly pry the face away from the casing, inserting guitar picks as you go to keep the two components separated.
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Step 3
Insert the opening tool through the dock connecter and stick it between the front panel assembly and back casing. Pull the casing up and stick a guitar pick in as a spacer.
Step 4
Work your way around the case, separating the front from the back as you go. Use extra caution when you reach the top left corner of the device, as the microphone ribbon cable runs through this area and is very easy to tear.
Step 5
Lift the left side of the panel slightly out, and then use the plastic separator tool to pry the bottom and top-right corners out of their clips.
Step 6
Life the front panel away from the rear casing to expose its insides.
Step 7
Remove the screw from the top of the battery with a Phillips screwdriver. Pry the battery out of its connector with the plastic separator tool.
Step 8
Insert a fresh battery and re-assemble the device.