iPhone 14 lock screen sometimes shows greenish shade or turns fully dark (iOS 26)

Hello, I am using an iPhone 14 on iOS 26 and I have recently noticed a strange display issue. When I check the time on my lock screen, sometimes the screen shows a greenish shade on one half while the other half looks normal. Other times, the whole lock screen looks unusually dark, almost as if a dark filter has been applied. If I lock the phone again and re-check, the screen goes back to normal. This happens randomly, not every time.

I have already tried restarting the phone, updating to the latest iOS 26 version, and turning off Dark Mode, True Tone, and Night Shift, but the issue still appears occasionally.

I want to know if this is a known iOS 26 bug or a display glitch, or if it could point to a hardware problem with the OLED screen or display driver. Should I wait for a patch update, or should I contact Apple Support to get the device checked?

Any advice or similar experiences from the community would be very helpful. Thank you 🙏