What does the unknown part of Apple's mobile phone display mean?

This is a hint. If it can't be turned off, just unplug the charging plug. The solution to this prompt is:

1. Replace other data cables to see if the same problem exists.

2. Replace the other side of the data cable to see if it can be used normally.

3. Check whether the contacts are covered by foreign objects.

4. Check the iPhone tail plug for debris and foreign objects.

"Apple's display uses LG's screen, made of h-ips, which is the highest-end ips screen of LG. Mobile phone screen classification: At present, there are only two kinds of mobile phone screen classification, TFT-LCD and organic light-emitting diode. Common panels mainly include TN, VA, IPS, CPA(AVS) and so on. Amorphous silicon, IGZO, LTPS and CGS are material technologies.