This happened after I adjusted the brightness to the max in bright sunlight. A single bright vertical line on the complete left side of the screen. When the phone starts it appears first before you can go on safe mede. Updates are done.
Hey. It's a defect probably. If you still have warranty or samsung care then it's best to take it in because it sounds like your phone has dead pixels on the screen. Green line, red lines or dead spots are a sign of dead pixels. If you have the means go sort it out.
