iFixit

Use a small flathead screwdriver to remove the 4.8 mm standoff near the headphone jack.

When reassembling the device, this standoff sets the height of the Wi-Fi shield removed in step 13. If not torqued down, the shield will be above the plane of the frame and the back will not slide into place in step 2. The shield should be flush with the headphone jack.

When reassembling the motherboard, ensure that its edge sits under the circled standoff, otherwise the screws will not fit.

When reassembling ensure that the small rubber spacer attached to the top of the motherboard is in place. Without this part the motherboard could damage the ribbon cables around it.

Carefully remove the logic board from the iPhone, minding any cables that may get caught.

• Be careful not to damage the small gold prong (marked in red, near the top) as it's very fragile.

Use the edge of an iPod opening tool to lift the thin steel front camera retainer off the front camera.

Remove the front camera retainer.

Carefully lift the front facing camera out of the iPhone.

It may be helpful to use tweezers to reinstall the front camera retainer.

Remove the two 1.5 mm Phillips screws securing the power button bracket to the outer case.

Carefully lift the power button bracket out of the outer case, minding its thin and delicate ribbon cable.

The power button bracket is made of very weak cast aluminum and is easily cracked. Handle with caution.

Use a pair of tweezers to remove the power & lock button from the iPhone.