Bad Pixel is very simple application created to remove any hardware defects from your iPhone/iPod Touch screen.
If you see any bad pixels (no dead pixels)
- permanently lit, white pixels
- permanently lit part of pixels (another color)
- yellow instead of white
Try this app and save your time & money having your screen replaced.
Withing the app you will find instructions, base info how Liquid Crystal Desktop works, types of defect and so on.
App uses random flashes what results in a lot of heat and energy consumption. These two factors focused on small area can cure the bad pixels within that area.
Hope it works.