Issue with Textfield input text.. on iphoneX , iphone 12 series , working fine on iphone 11

[Ravinder-webonise]

Facing issue on selected iphones , x ,xs ,xs max , iphone 12 series phones.
Working fine iphone 11 and all.
For your help i am attaching screenshots of the textfield of iphone 11 and iphnoe 12 wth same code.

[iDhaval]

Which iOS version you were using in iPhone 12?