The display malfunctions occasionally, not all the time.
The phone was never dropped, the display just started acting up out of nowhere.
You can continue using it as is, though replacing it would be best. There are no other issues.
Camera - 100% ok
Speaker - 100% ok
Body - 98% ok
Looking - 98% ok
Button - 100% ok
Realme v30 5g. 8-256
Location: Ghatail, Dhanbari, Madhupur
Box is available.