The second problem affects the Oppo Find 7's QHD display. Customers have complained that the screen's colors are too much on the yellow side, and less true than those of the Find 7a's 1080p panel. Oppo claims that the issue is resolved in a recent software update.
The Oppo Find 7a's 5.5-inch IPS panel is built by Japan Display Inc. In our review, we noted that the panel is "very cold" at a color temperature of 9531K (the reference point being 6500K) and specific colors are incorrect. However, we figured that the display is nice-looking overall. We're yet to notice any of the two problems for ourselves, but it appears the Find 7 and Find 7a are prone to errors - just like most smartphones out there.