settimeout react native focus text input
const inputRef = useRef(null)
In onSubmitEditing prop, include this:
setTimeout(() => inputRef.current.focus(), 250);
Ex:
const onEnterKeyPressed = () => {
  	...
	setTimeout(() => inputRef.current.focus(), 100);	
   	...
}
<TextInput
	...
    onSubmitEditing={onEnterKeyPress}
	...
/>