I want to activate a cursor after using MoveTextEnd

I want to activate a cursor after using MoveTextEnd MoveTextEnd works well. But I can't move cursor in the middle of the text of inputfield. I want to remove highlight and use cursor in the middle of the text of inputfield. help me please.

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; using UnityEngine.EventSystems;

public class changeCursorAuto : MonoBehaviour {
public InputField inputField01; public InputField inputField02; public InputField inputField03; public InputField inputField04; public InputField inputField05;

 private string ans0101;
 private string ans0102;
 private string ans0103;
 private string ans0104;

 
 void Start()
 {
     inputField01.ActivateInputField();

     inputField01 = inputField01.GetComponent<InputField>();
     inputField02 = inputField02.GetComponent<InputField>();
     inputField03 = inputField03.GetComponent<InputField>();
     inputField04 = inputField04.GetComponent<InputField>();


     this.ans0101 = "a";
     this.ans0102 = "b";
     this.ans0103 = "c";
     this.ans0104 = "d";
 }

 void Update()
 {
     if ((inputField01.isFocused && inputField01.text == ans0101 && inputField02.text != ans0102) || (inputField01.isFocused && Input.GetKeyUp(KeyCode.Return)))
     {

         //inputField02.ActivateInputField(); 
         inputField02.Select();
     }

     else if ((inputField02.isFocused && inputField02.text == ans0102 && inputField03.text != ans0103) || (inputField02.isFocused && Input.GetKeyUp(KeyCode.Return)))
     {
         // inputField03.ActivateInputField();
         inputField03.Select();
     }

     else if ((inputField03.isFocused && inputField03.text == ans0103 && inputField04.text != ans0104) || (inputField03.isFocused && Input.GetKeyUp(KeyCode.Return)))
     {
         // inputField04.ActivateInputField();
         inputField04.Select();
     }

     else if ((inputField04.isFocused && inputField04.text == ans0104 && inputField01.text != ans0101) || (inputField04.isFocused && Input.GetKeyUp(KeyCode.Return)))
     {
         //  inputField01.ActivateInputField();
         inputField01.Select();
     }



     ////////////////////////////disable highlight////////////////////////////////////////////////////////

     if (inputField01.isFocused)
     {
         inputField01.ActivateInputField();
         StartCoroutine(endtext(1));
     }
     else if (inputField02.isFocused)
     {
         inputField02.ActivateInputField();
         StartCoroutine(endtext(2));
     }
     else if (inputField03.isFocused)
     {
         inputField03.ActivateInputField();
         StartCoroutine(endtext(3));
     }
     else if (inputField04.isFocused)
     {
         inputField04.ActivateInputField();
         StartCoroutine(endtext(4));
     }

 }

 IEnumerator endtext(int n)
 {
     if (n == 1)
     {
         yield return null;
         inputField01.MoveTextEnd(false);
         inputField01.ActivateInputField();//error

     }

     else if (n == 2)
     {
         yield return null;
         inputField02.MoveTextEnd(false);
         inputField02.ActivateInputField();//error
     }

     else if (n == 3)
     {
         yield return null;
         inputField03.MoveTextEnd(false);
         inputField03.ActivateInputField();//error
     }
     else if (n == 4)
     {
         yield return null;
         inputField04.MoveTextEnd(false);
         inputField04.ActivateInputField();//error
     }

 }

}