tiny triangular metal washer and 1mm x 2mm x 3mm foam blockthese two pieces seem to come from the speaker assembly area. triangular washer was found magnetized to speaker back and tiny...
Answer to: Help ID a pie-shaped leftover part from a GSM iPhone 4 repair?I think this part is located under the 1.9 mm screw holding the bottom of the Mother board down. To the left side (from back)just above the speaker assembly. I am not certain but I believe its to aid contact of the screw to the Motherboard. the pointed side goes toward the outside frame and the the narrowest side to the bottom of the phone. The screw makes contact without it, so it will still work.