Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7)
The only issue that I was having with my iPhone 4, was a slight yellow tint in a few of my low lighting pictures. Thanks to 4.1, my iPhone 4 is now perfect.