How do I get rid of the blue dot on my iPhone screen?

There are 2 ways to turn off the VoiceOver feature on iOS:
  1. Tap on your Home Button three times quickly (Triple-click) until the blue box disappears.
  2. You can also access it under accessibility options. Go into Settings > General > Accessibility.
  3. Tap on VoiceOver and then tap on it again to turn it OFF.

Why is there blue on my iPhone screen?

Showing only a blue screen is usually the sign that your iPhone device has become unresponsive and stuck in that state. In this case, you can try forcing your phone to restart.

Why is there a spot on my iPhone screen?

When your screen has cracked, it is extremely vulnerable. A result of this vulnerability can be that the OLED, the part that makes the screen whole, also gets damaged. Causing black and/or blue and purple spots to show on the screen. If an individual pixel has been damaged, it will stay turned off and appear black.

Why is there a blue mark on my screen?

Those are pressure marks. They are usually caused by either improper installation or a defective replacement screen.