As of last night the yellow spots I initially had on my phone had disappeared entirely. This morning they appeared to be gone for good.....until I downloaded the iMovie App and began editing videos. The phone gets pretty hot while working with iMovie and it just so happens the yellow spots came back with a vengeance. That theory that it may be the sealing process appears to be debunked. It's Looking like a trip to the Apple Store is still on for tomorrow.