iPhone 4 Display Discoloration Issue Goes Away With Time



There were reports yesterday that some iPhone 4 users were noticing display discoloration issues on their devices. This was weird as Apple had touted the Retina Display as the next best thing since sliced bread. As it turns out, it wasn’t really a major issue. The discoloration goes away with time.162535iphone_4_discoloration_1_500

The reason behind this discoloration according to a member at AppleInsider forums is:

Apple is using a bonding agent called Organofunctional Silane Z-6011 to bond the layers of glass. Apparently, Apple (or more likely Foxconn) is shipping these products so quickly that the evaporation process is not complete. However, after one or two days of use, especially with the screen on, will complete the evaporation process and the yellow “blotches” will disappear. How do I know? I was involved in pitching Z-6011 to Apple.

One of the readers at Gizmodo who had this issue called up Apple and here’s what he said:


I too have the yellow discoloration on the bottom of my new iphone 4 screen.

I called Apple and they guy told me that it is residue from the manufacturing process and that they rushed the shipments out to hit deadline. He also told me that its just because the residue is not dry fully yet and it should clear up within a couple of days.

Pat Cain

So to summarize it, the residue hasn’t dried up completely in some units. Once it does, the spots will fade away. A few users have already noticed the discoloration gone on their iPhone 4s. If you have such an iPhone 4, all you can do is wait. Or head on to an Apple Store and try your luck if you can get a replacement.

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