Hi!
I recently discovered that some ipod touch's screens are different than others in terms of gamma, contrast and color. I looked at many ipods and I came to a conclusion that production week 36,37,38 have slightly brighter screens with blue colorized menu, while screens from production week 39 an up, have a bit dimmer screens, with steel-color menu (same as itunes layout on PC or MAC). Also, I've found that screens prodcued before 39week, are worse for movies than week 39, 40, 41, 42 an up.
Here's a picture that I took for comparison two "same" ipods, but from two different production weeks (37th & 42th - I marked them which one comes from which week
). Both ipods have maximum brightness set:
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As you can see the difference in screens is obvious...
ps: none of above ipods from pictures suffered "negative black problem" so that's not an issue....
I recently discovered that some ipod touch's screens are different than others in terms of gamma, contrast and color. I looked at many ipods and I came to a conclusion that production week 36,37,38 have slightly brighter screens with blue colorized menu, while screens from production week 39 an up, have a bit dimmer screens, with steel-color menu (same as itunes layout on PC or MAC). Also, I've found that screens prodcued before 39week, are worse for movies than week 39, 40, 41, 42 an up.
Here's a picture that I took for comparison two "same" ipods, but from two different production weeks (37th & 42th - I marked them which one comes from which week

As you can see the difference in screens is obvious...
ps: none of above ipods from pictures suffered "negative black problem" so that's not an issue....