diff --git a/src/com/upc/pbe/upcnews/Descarrega.java b/src/com/upc/pbe/upcnews/Descarrega.java
index 46bb321..0e59fb3 100644
--- a/src/com/upc/pbe/upcnews/Descarrega.java
+++ b/src/com/upc/pbe/upcnews/Descarrega.java
@@ -40,15 +40,13 @@ public class Descarrega extends AsyncTask<Object, Object, Object>
 		// Llegeix cada byte i l'escriu en un arxiu fins que arriba a -1
 		InputStream in = conn.getInputStream();
 		OutputStream out = new FileOutputStream(file);
-		int b = 0;
-		while (b != -1)
+		byte data[] = new byte[102400]; //Mejor throughput!!
+		int count;
+		while((count = in.read(data)) != -1)
 		{
-			b = in.read();
-			if (b != -1)
-			{
-				out.write(b);
-			}
+			out.write(data,0,count);
 		}
+		out.flush();
 		out.close();
 		in.close();
 	}
diff --git a/src/com/upc/pbe/upcnews/HLS.java b/src/com/upc/pbe/upcnews/HLS.java
index 7d51592..e3b45c2 100644
--- a/src/com/upc/pbe/upcnews/HLS.java
+++ b/src/com/upc/pbe/upcnews/HLS.java
@@ -65,43 +65,52 @@ public class HLS
 			loadVideo();
 		}
 		Segment seg = segments.get(currentSegment++);
-		Log.d(TAG, seg.getName() + " " + seg.getURL());
-		long startTime = System.currentTimeMillis();
-		long segmentBytes = TrafficStats.getTotalRxBytes();
-		d.descarregarguardar(seg.getURL(), localFolder);
-		double bps = bm.Measure(segmentBytes, startTime);
-		Log.d(TAG, "Velocitat actual (KB/s): " + (bps / 8e3));
-		if ((bps <= qualities.get(currentQuality).getQuality()) && (bps != -1))
+		String path = localFolder+seg.getURL().substring(seg.getURL().lastIndexOf("/") + 1, seg.getURL().length());
+		if(!new File(path).exists()) //Para qué bajarlo dos veces?
 		{
-			int newQuality;
-			for(newQuality = 0; newQuality < qualities.size(); newQuality++)
+			Log.d(TAG, seg.getName() + " " + seg.getURL());
+			long startTime = System.currentTimeMillis();
+			long segmentBytes = TrafficStats.getTotalRxBytes();
+			d.descarregarguardar(seg.getURL(), localFolder);
+			double bps = bm.Measure(segmentBytes, startTime);
+			Log.d(TAG, "Velocitat actual (KB/s): " + (bps / 8e3));
+			if ((bps <= qualities.get(currentQuality).getQuality()) && (bps != -1))
 			{
-				if(bps >= qualities.get(newQuality).getQuality())
+				int newQuality;
+				for(newQuality = 0; newQuality < qualities.size(); newQuality++)
 				{
-					break;
+					if(bps >= qualities.get(newQuality).getQuality())
+					{
+						break;
+					}
+				}
+				if(currentQuality != newQuality)
+				{
+					currentQuality = newQuality;
+					currentVideo--; //Corregimos el del loadVideo()
+					loadVideo(); //Cargamos la nueva calidad
 				}
 			}
-			currentQuality = newQuality;
-			currentVideo--; //Corregimos el del loadVideo()
-			loadVideo();
-		}
-		else if((bps > qualities.get(currentQuality).getQuality()) && (bps != -1))
-		{
-			int newQuality;
-			for(newQuality = qualities.size(); newQuality <= 0; newQuality--)
+			else if((bps > qualities.get(currentQuality).getQuality()) && (bps != -1))
 			{
-				if(bps <= qualities.get(newQuality).getQuality())
+				int newQuality;
+				for(newQuality = qualities.size()-1; newQuality > 0; newQuality--)
+				{
+					if(bps <= qualities.get(newQuality).getQuality())
+					{
+						newQuality--;
+						break;
+					}
+				}
+				if(currentQuality != newQuality)
 				{
-					newQuality--;
-					break;
+					currentQuality = newQuality;
+					currentVideo--; //Corregimos el del loadVideo()
+					loadVideo(); //Cargamos la nueva calidad
 				}
 			}
-			currentQuality = newQuality;
-			currentVideo--; //Corregimos el del loadVideo()
-			loadVideo();
 		}
-		return localFolder
-				+ seg.getURL().substring(seg.getURL().lastIndexOf("/") + 1, seg.getURL().length());
+		return path;
 	}
 
 	public String previous() throws IOException
diff --git a/src/com/upc/pbe/upcnews/MainActivity.java b/src/com/upc/pbe/upcnews/MainActivity.java
index 654654b..8071d01 100644
--- a/src/com/upc/pbe/upcnews/MainActivity.java
+++ b/src/com/upc/pbe/upcnews/MainActivity.java
@@ -63,19 +63,6 @@ public class MainActivity extends Activity implements OnClickListener {
 			alertaText = (TextView) findViewById(R.id.textViewAlerta);
 			alertaText.setVisibility(View.VISIBLE);
 		}	
-		/* 
-		 * TESTING ANDROID DOWNLOADMANAGER NATIU
-		 * 
-		 * 
-		 * 
-		String pfile = "sample_ep_128k-00001.ts";
-		DownloadManager.Request request = new DownloadManager.Request(Uri.parse("http://revistes.upc.es/~imanol/PBE/"+pfile));
-		request.setDescription("SetDescprition");
-		request.setTitle("SetTitle");
-		request.setDestinationInExternalPublicDir(Environment.getExternalStorageDirectory().toString(), "sample_ep_128k-00001.ts");
-		DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
-		manager.enqueue(request);
-		*/
 	}
 	
 	public void onClick(View v) {
@@ -137,11 +124,10 @@ public class MainActivity extends Activity implements OnClickListener {
 	}
 	/*
 	 * COSAS POR HACER
-	 * (RELEASE-CRITICAL) Lentitud descarga
 	 * (NORMAL) Quitar la elección de calidad al inicio? Discutir
 	 * (NORMAL) Poner la defaultURL al server de PBE
 	 * (WISHLIST) Descarga en segundo plano (Mejora dificil)
-	 * (WISHLIST) Hacer streaming DE VERDAD (requiere descarga en segundo plano)
+	 * (WISHLIST) Hacer streaming DE VERDAD (appendeando los videos, seria IMPRESIONANTE)
 	 * (WISHLIST) A�adir gif Imanol bailando (Easter eggs? vais en serio? XDDDDDDDDDDDD)
 	 * Borrar esta puta mierda
 	 */