You can repair only sensor dead pixels with "pixel-repair" function. These pixels are white or black. Display pixels can be coloured. And they cannot be repaired.
Display manufacturer assumes till two single dead pixels in any display zone. We also assume two pixels in any zone. These two pixels are not warranty case for repair or replacement.
Three pixels and more on a display is a warranty case. It is necessary to distinguish between a pixels and a subpixel. We admit till 20 dead subpixels. They have less intensive glow in comparison with dead pixel. The pixel glows brighter.
In order to specify where the pixel located (on a display or on a sensor) it is necessary to switch on Zoom. If the pixel doesn’t rise and remains the same – it is located on a display. If the pixel rises and shifts – it is located on the sensor. It is necessary to repair it using menu