EMI shields are very helpful. They work wonders in preventing external electromagnetic induction and radiation from messing with the circuitry of electronics.

That being said, they're usually a huge pain in the spudger to remove.

Luckily, this large EMI shield is removed by simply unscrewing some Phillips screws, and does not require any desoldering.

The large square of thermal compound also tips us off that this shield works double duty as a heat sink, removing any excess heat from the D600's motherboard.