Screenshot on iOS and Android not working

Hi there, I have problem with taking screenshot on iOS and Android. Using Unity 3D editor all working fine. On Android it make something like that:

On iOS it shows me pictures with question marks. Please help me. Can someone do this for me? P.S. Sorry for my english ;) Code that causes this issue is below. I'm using Win 7 64 bit and Unity 3D 3.5.5f

 using UnityEngine;
 using System.Collections;
 using System.IO;
 
 public class PaintScreenshot : MonoBehaviour 
 {    
     public string fileName;             // Name of the screenshot - without '.png'
     public string fileNameThumb;        // Name of the thumbnail screenshot - without '.png'
     
     string path;
     WWW tex;
     
     public static PaintScreenshot instance
     {
         get{
             if( m_Instance == null )
             {
                 GameObject go = new GameObject("Screenshot Manager");
                 m_Instance = go.AddComponent<PaintScreenshot>() as PaintScreenshot;
             }
             return m_Instance;
         }
     }
     private static PaintScreenshot m_Instance;
         
     
     public void TakeScreenshotStart()
     {
         StartCoroutine( TakeScreenshot() );
 
         
     }
     
     IEnumerator TakeScreenshot()
     {        
         //    yield return StartCoroutine( UploadPNG(0.05f) );                            // Start Old Version of TakeScreenshot and comment lines below this line
             yield return StartCoroutine( TakeScreenshot(0.05f) );
             
             fileName = System.DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss-ff");            // File name based on date and time
             fileNameThumb = fileName + "-thumb";
             fileName += ".png";
             fileNameThumb += ".png";
             
             path = Application.persistentDataPath;
             Application.CaptureScreenshot(path + "/" + fileName);
             
             
             // Save thumb
             // More help at: http://answers.unity3d.com/questions/18647/unity-iphone-can-i-store-data-on-the-iphone-to-be.html
             Texture2D tex = new Texture2D( 150, 150, TextureFormat.RGB24, false );
         
                // Read screen contents into the texture
             tex.ReadPixels( new Rect((Screen.width - 150) / 2, (Screen.height - 150) / 2, 150, 150), 0, 0 );    // Thumb Screenshot only from center of the screen
             tex.Apply();
     
                // Encode texture into PNG
             byte[] bytes = tex.EncodeToPNG();
             FileStream fs = new FileStream(path + "/" + fileNameThumb, FileMode.Create);
             BinaryWriter w = new BinaryWriter(fs);
             w.Write(bytes);
             w.Close();
             fs.Close();
                 
             Debug.Log("Screenshot at: " + path + "/" + fileName);
             
             
             yield return new WaitForSeconds(0.05f);                
             print("Screenshot is ready");
             
     }
     
     IEnumerator TakeScreenshot( float seconds )
     {
         yield return new WaitForSeconds(seconds);
     }
     
     byte[] GetBytes()
     {    
         // Create a texture the size of the screen, RGB24 format
         int width = Screen.width;
         int height = Screen.height;
         Texture2D tex = new Texture2D( width, height, TextureFormat.RGB24, false );
         
         // Read screen contents into the texture
         tex.ReadPixels( new Rect(0, 0, width, height), 0, 0 );
         tex.Apply();
     
         // Encode texture into PNG
         byte[] bytes = tex.EncodeToPNG();
         Destroy( tex );
         
         return bytes;
     }
     
     byte[] GetBytesThumb()
     {    
         // Create a texture only from part of the screen, RGB24 format
 //        int width = thumbWidth;
      //   int height = thumbHeight;
         Texture2D tex = new Texture2D( 150, 150, TextureFormat.RGB24, false );
         
         // Read screen contents into the texture
         tex.ReadPixels( new Rect((Screen.width - 150) / 2, (Screen.height - 150) / 2, 150, 150), 0, 0 );    // Thumb Screenshot only from center of the screen
         tex.Apply();
     
         // Encode texture into PNG
         byte[] bytes = tex.EncodeToPNG();
         Destroy( tex );
         
         return bytes;
     }
         
     IEnumerator UploadPNG( float seconds )
     {
         yield return new WaitForSeconds(seconds);
         
         // We should only read the screen after all rendering is complete
         yield return new WaitForEndOfFrame();
         byte[] bytes = GetBytes();
                 
         fileName = System.DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss-ff");            // File name based on date and time
         fileNameThumb = fileName + "-thumb";
         
         Debug.Log("Normal: " + Application.persistentDataPath + "/" + fileName + ".png");
         Debug.Log("Thumb: " + Application.persistentDataPath + "/" + fileNameThumb + ".png");
         
         FileStream fs = new FileStream(Application.persistentDataPath + "/" + fileName + ".png", FileMode.Create);
         BinaryWriter w = new BinaryWriter(fs);
         w.Write(bytes);
         w.Close();
         fs.Close();
         
         byte[] bytesThumb = GetBytesThumb();
         FileStream fsThumb = new FileStream(Application.persistentDataPath + "/" + fileNameThumb + ".png", FileMode.Create);
         BinaryWriter wThumb = new BinaryWriter(fsThumb);
         wThumb.Write(bytesThumb);
         wThumb.Close();
         fsThumb.Close();
         
         
         
         yield return new WaitForSeconds(seconds);
         print("screenshot is ready");
     }
     
 
 }