diff --git a/README.md b/README.md
index 8287a69d25..579dff4420 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,11 @@ Open Source Projects Used
 
 Changelog
 ---------
+**version 2.4.2** (released 6/18/2013)
+- critical bugfix for night mode font issue
+- changed default font to white for night mode
+- patch download for 1920 resolution images to fix 3 incomplete images
+
 **version 2.4.1** (released 6/16/2013)
 - option to disable tablet mode
 - many bugfixes
diff --git a/app/AndroidManifest.xml b/app/AndroidManifest.xml
index 7721ca3f24..39807f24dc 100644
--- a/app/AndroidManifest.xml
+++ b/app/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-	package="com.quran.labs.androidquran" android:versionCode="241"
-	android:versionName="2.4.1"
+	package="com.quran.labs.androidquran" android:versionCode="242"
+	android:versionName="2.4.2"
 	android:installLocation="auto">
 	
    <uses-sdk android:minSdkVersion="7" android:targetSdkVersion="14" />
diff --git a/app/res/values-ar/strings.xml b/app/res/values-ar/strings.xml
index 3a74c9c16c..62f6f0d902 100644
--- a/app/res/values-ar/strings.xml
+++ b/app/res/values-ar/strings.xml
@@ -5,6 +5,7 @@
     <string name="downloadPrompt">لأداء أفضل، بعض الملفات في حاجه للتحميل على بطاقة الذاكرة الرقمية.
 		 إذا لم تقم بذلك الاختيار فإن الصفحات ستستغرق وقت أطول للتحميل.
 		 هل ترغب في تحميل الملفات الآن؟</string>
+    <string name="downloadImportantPrompt">هناك تحديث هام صغير على ملفات الصور على هاتفكم. هل تود  تحميل الملف حالا؟</string>
     <string name="downloadPrompt_ok">نعم</string>
     <string name="downloadPrompt_no">لا</string>
     <string name="downloading_title">جاري التحميل....</string>
diff --git a/app/res/values/strings.xml b/app/res/values/strings.xml
index 7fba2683a5..571bf2a3cf 100644
--- a/app/res/values/strings.xml
+++ b/app/res/values/strings.xml
@@ -9,6 +9,9 @@
 		</string>
     <string name="downloadTabletPrompt">We recently added improved images for
         tablets. Would you like to download these images now?</string>
+    <string name="downloadImportantPrompt">There is a small yet important update
+        for the Quran images you have on your device. Would you like to download this
+        patch now?</string>
     <string name="downloadPrompt_ok">Yes</string>
     <string name="downloadPrompt_no">No</string>
     <string name="downloading_title">Downloading&#8230;</string>
diff --git a/app/res/xml/quran_preferences.xml b/app/res/xml/quran_preferences.xml
index 49c859481f..a196e79723 100644
--- a/app/res/xml/quran_preferences.xml
+++ b/app/res/xml/quran_preferences.xml
@@ -64,7 +64,7 @@
         
         <com.quran.labs.androidquran.widgets.SeekBarPreference
             android:dependency="@string/prefs_night_mode"
-            android:defaultValue="98"
+            android:defaultValue="255"
             android:key="@string/prefs_night_mode_text_brightness"
             android:max="255"
             android:persistent="true"
diff --git a/app/src/main/java/com/quran/labs/androidquran/QuranDataActivity.java b/app/src/main/java/com/quran/labs/androidquran/QuranDataActivity.java
index c3b37e6128..86d0ec7045 100644
--- a/app/src/main/java/com/quran/labs/androidquran/QuranDataActivity.java
+++ b/app/src/main/java/com/quran/labs/androidquran/QuranDataActivity.java
@@ -10,6 +10,7 @@
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.v4.content.LocalBroadcastManager;
+import android.text.TextUtils;
 import android.util.Log;
 import android.view.Display;
 import android.view.WindowManager;
@@ -27,6 +28,7 @@
 import com.quran.labs.androidquran.util.QuranScreenInfo;
 import net.hockeyapp.android.CrashManager;
 
+import java.io.File;
 import java.util.Date;
 
 public class QuranDataActivity extends SherlockActivity implements
@@ -44,6 +46,7 @@ public class QuranDataActivity extends SherlockActivity implements
    private DefaultDownloadReceiver mDownloadReceiver = null;
    private boolean mNeedPortraitImages = false;
    private boolean mNeedLandscapeImages = false;
+   private String mPatchUrl;
 
    /** Called when the activity is first created. */
    @Override
@@ -73,6 +76,34 @@ public void onCreate(Bundle savedInstanceState) {
       initializeQuranScreen();
       mSharedPreferences = PreferenceManager
             .getDefaultSharedPreferences(getApplicationContext());
+
+      // one time upgrade to v2.4.2
+      if (!mSharedPreferences.contains(Constants.PREF_UPGRADE_TO_242)){
+         String baseDir = QuranFileUtils.getQuranBaseDirectory(this);
+         if (baseDir != null){
+            // one time delete of partial downloads since the
+            // contents of these zip files has changed
+            String[] partials = new String[]{ "images_1920_1024.zip.part",
+                                              "images_1920_512.zip.part",
+                                              "images_1920.zip.part" };
+            for (String p : partials){
+               try {
+                  File f = new File(baseDir + File.separator + p);
+                  if (f.exists()){
+                     f.delete();
+                  }
+               }
+               catch (Exception e){
+               }
+            }
+
+            // update night mode preference and mark that we upgraded to 2.4.2
+            mSharedPreferences.edit()
+                    .putInt(Constants.PREF_NIGHT_MODE_TEXT_BRIGHTNESS,
+                            Constants.DEFAULT_NIGHT_MODE_TEXT_BRIGHTNESS)
+                    .putBoolean(Constants.PREF_UPGRADE_TO_242, true).commit();
+         }
+      }
    }
    
    @Override
@@ -207,6 +238,7 @@ protected Boolean doInBackground(Void... params) {
       @Override
       protected void onPostExecute(Boolean result) {
          mCheckPagesTask = null;
+         mPatchUrl = null;
          if (mIsPaused){ return; }
                   
          if (result == null || !result){
@@ -228,6 +260,17 @@ else if (mSharedPreferences.getBoolean(
             }
          }
          else {
+            // force a check for the 1920 images version 3, if it's not
+            // there, download the patch.
+            QuranScreenInfo qsi = QuranScreenInfo.getInstance();
+            if ("_1920".equals(qsi.getWidthParam()) &&
+                !QuranFileUtils.isVersion(QuranDataActivity.this, "_1920", 3)){
+               // explicitly check whether we need to fix the 1920 images
+               mPatchUrl = QuranFileUtils.getPatchFileUrl("_1920", 3);
+               promptForDownload();
+               return;
+            }
+
             long time = mSharedPreferences.getLong(
                     Constants.PREF_LAST_UPDATED_TRANSLATIONS, 0);
             Date now = new Date();
@@ -294,6 +337,11 @@ else if (mNeedLandscapeImages && !mNeedPortraitImages){
          }
       }
 
+      // if we have a patch url, just use that
+      if (!TextUtils.isEmpty(mPatchUrl)){
+         url = mPatchUrl;
+      }
+
       String destination = QuranFileUtils.getQuranBaseDirectory(
               QuranDataActivity.this);
       
@@ -318,6 +366,11 @@ private void promptForDownload(){
          message = R.string.downloadTabletPrompt;
       }
 
+      if (!TextUtils.isEmpty(mPatchUrl)){
+         // patch message if applicable
+         message = R.string.downloadImportantPrompt;
+      }
+
       AlertDialog.Builder dialog = new AlertDialog.Builder(this);
       dialog.setMessage(message);
       dialog.setCancelable(false);
diff --git a/app/src/main/java/com/quran/labs/androidquran/data/Constants.java b/app/src/main/java/com/quran/labs/androidquran/data/Constants.java
index b182352f06..50018e22da 100644
--- a/app/src/main/java/com/quran/labs/androidquran/data/Constants.java
+++ b/app/src/main/java/com/quran/labs/androidquran/data/Constants.java
@@ -4,7 +4,7 @@ public class Constants {
    public static final boolean CRASH_REPORTING_ENABLED = false;
 
    // Numerics
-   public static final int DEFAULT_NIGHT_MODE_TEXT_BRIGHTNESS = 98;
+   public static final int DEFAULT_NIGHT_MODE_TEXT_BRIGHTNESS = 255;
    public static final int DEFAULT_TEXT_SIZE = 15;
 
    // 10 days in ms
@@ -58,4 +58,5 @@ public class Constants {
    public static final String PREF_SORT_TAGS = "sortTags";
    public static final String PREF_DISPLAY_CATEGORY = "displayCategoryKey";
    public static final String PREF_TABLET_ENABLED = "useTabletMode";
+   public static final String PREF_UPGRADE_TO_242 = "upgradeTo242";
 }
diff --git a/app/src/main/java/com/quran/labs/androidquran/service/QuranDownloadService.java b/app/src/main/java/com/quran/labs/androidquran/service/QuranDownloadService.java
index 1579cd194c..038c49fbb4 100644
--- a/app/src/main/java/com/quran/labs/androidquran/service/QuranDownloadService.java
+++ b/app/src/main/java/com/quran/labs/androidquran/service/QuranDownloadService.java
@@ -725,19 +725,21 @@ protected boolean unzipFile(String zipFile, String destDirectory,
                continue;
             }
 
-            // ignore files that already exist
+            // delete files that already exist
             File f = new File(destDirectory, entry.getName());
-            if (!f.exists()) {
-               InputStream is = zip.getInputStream(entry);
-               FileOutputStream ostream = new FileOutputStream(f);
-
-               int size;
-               byte[] buf = new byte[BUFFER_SIZE];
-               while ((size = is.read(buf)) > 0)
-                  ostream.write(buf, 0, size);
-               is.close();
-               ostream.close();
+            if (f.exists()){
+               f.delete();
             }
+
+            InputStream is = zip.getInputStream(entry);
+            FileOutputStream ostream = new FileOutputStream(f);
+
+            int size;
+            byte[] buf = new byte[BUFFER_SIZE];
+            while ((size = is.read(buf)) > 0)
+               ostream.write(buf, 0, size);
+            is.close();
+            ostream.close();
             
             //android.util.Log.d(TAG, "progress: " + processedFiles +
             //      " from " + numberOfFiles);
diff --git a/app/src/main/java/com/quran/labs/androidquran/ui/util/ImageAyahUtils.java b/app/src/main/java/com/quran/labs/androidquran/ui/util/ImageAyahUtils.java
index 593ec8b085..94aee833be 100644
--- a/app/src/main/java/com/quran/labs/androidquran/ui/util/ImageAyahUtils.java
+++ b/app/src/main/java/com/quran/labs/androidquran/ui/util/ImageAyahUtils.java
@@ -41,6 +41,7 @@ public static QuranAyah getAyahFromCoordinates(
       if (coords == null){ return null; }
 
       float[] pageXY = imageView.getPageXY(xc, yc);
+      if (pageXY == null){ return null; }
       float x = pageXY[0];
       float y = pageXY[1];
 
diff --git a/app/src/main/java/com/quran/labs/androidquran/util/QuranFileUtils.java b/app/src/main/java/com/quran/labs/androidquran/util/QuranFileUtils.java
index efb6044a3f..c9126b45cd 100644
--- a/app/src/main/java/com/quran/labs/androidquran/util/QuranFileUtils.java
+++ b/app/src/main/java/com/quran/labs/androidquran/util/QuranFileUtils.java
@@ -52,6 +52,22 @@ public static void debugLsDir(String dir) {
 		}
 	}
 
+   // check if the images with the given width param have a version
+   // that we specify (ex if version is 3, check for a .v3 file).
+   public static boolean isVersion(Context context,
+                                   String widthParam, int version){
+      String quranDirectory = getQuranDirectory(context, widthParam);
+      if (quranDirectory == null){ return false; }
+      try {
+         File vFile = new File(quranDirectory +
+                 File.separator + ".v" + version);
+         return vFile.exists();
+      }
+      catch (Exception e){
+         return false;
+      }
+   }
+
    public static boolean haveAllImages(Context context, String widthParam){
       String quranDirectory = getQuranDirectory(context, widthParam);
       if (quranDirectory == null){ return false; }
@@ -270,6 +286,11 @@ public static String getZipFileUrl(String widthParam) {
 		url += "images" + widthParam + ".zip";
 		return url;
 	}
+
+   public static String getPatchFileUrl(String widthParam, int toVersion){
+      return IMG_HOST + "patches/patch" +
+              widthParam + "_v" + toVersion + ".zip";
+   }
 	
 	public static String getAyaPositionFileName(){
 		QuranScreenInfo qsi = QuranScreenInfo.getInstance();
diff --git a/app/src/main/java/com/quran/labs/androidquran/widgets/HighlightingImageView.java b/app/src/main/java/com/quran/labs/androidquran/widgets/HighlightingImageView.java
index 0ff07aceae..4fe3acefa4 100644
--- a/app/src/main/java/com/quran/labs/androidquran/widgets/HighlightingImageView.java
+++ b/app/src/main/java/com/quran/labs/androidquran/widgets/HighlightingImageView.java
@@ -114,9 +114,11 @@ public AyahBounds getYBoundsForCurrentHighlight() {
 	}
 
    @Override
-   public void setImageBitmap(Bitmap bitmap){
-      super.setImageBitmap(bitmap);
-      adjustNightMode();
+   public void setImageDrawable(Drawable bitmap){
+      super.setImageDrawable(bitmap);
+      if (bitmap != null){
+         adjustNightMode();
+      }
    }
 
 	public void adjustNightMode() {