diff --git a/res/values/config.xml b/res/values/config.xml
index c5de56f..7419173 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -5,43 +5,46 @@
 	<item name="debug_output" type="bool">true</item>
 
 	<!-- Property to read for ROM version -->
-	<string name="property_version">ro.omni.version</string>
+	<string name="property_version">ro.modversion</string>
 
 	<!-- Property to read for device identifier -->
-	<string name="property_device">ro.omni.device</string>
+	<string name="property_device">ro.derp.device</string>
 
 	<!-- %s is expanded to property_version value. .zip, .delta, .update, .sign extensions added when needed -->
-	<string name="filename_base">omni-%s</string>
+	<string name="filename_base">DerpFest-%s</string>
 
 	<!-- Path deltas are stored, relative to sdcard root -->
 	<string name="path_base">OpenDelta</string>
 
 	<!-- URL base to find .delta files, %s is expanded to property_device value. Path is suffixed by (expanded) filename_base -->
-	<string name="url_base_delta">https://delta.omnirom.org/weeklies/%s/</string>
+	<string name="url_base_delta"></string>
 
 	<!-- URL base to find .update and .sign files, %s is expanded to property_device value. Path is suffixed by (expanded) filename_base -->
-	<string name="url_base_update">https://delta.omnirom.org/weeklies/%s/</string>
+	<string name="url_base_update"></string>
 
-	<!-- URL base to find the full zip files, %s is expanded to property_device value. Path is suffixed by (expanded) filename_base -->
-	<string name="url_base_full">https://dl.omnirom.org/%s/</string>
+	<!-- URL base to find the full zip files, %s is replaced to be property_device value. -->
+	<string name="url_base_full">https://sourceforge.net/projects/derpfest/files/%s/</string>
 
-	<!-- URL base to fetch all builds -->
-	<string name="url_base_json">https://dl.omnirom.org/json.php"</string>
+	<!-- URL base suffix - Used only for download -->
+	<string name="url_base_suffix">/download</string>
+
+	<!-- URL base to fetch all builds. %s is replaced by (expanded) property_device -->
+	<string name="url_base_json">https://raw.githubusercontent.com/DerpLab/Updater-Stuff/master/%s/%s.json</string>
 
 	<!-- Applies whole-file signature delta. Adds one extra delta step. Required if recovery verifies signatures -->
-	<item name="apply_signature" type="bool">true</item>
+	<item name="apply_signature" type="bool">false</item>
 
 	<!-- (TWRP) Set this to false if the keys below aren't your ROM's -->
-	<item name="inject_signature_enable" type="bool">true</item>
+	<item name="inject_signature_enable" type="bool">false</item>
 
 	<!-- (TWRP) Verification signatures to inject. Produced by 'dumpkey.jar' (out/host) of the platform.x509 key used to sign the ZIP file -->
 	<string name="inject_signature_keys"><![CDATA[v2 {64,0x9d3ef4e7,{3451855145,2574857780,2212470067,2065828617,2220798544,1453138002,3035953543,349537325,3471576065,3709424322,1499657722,626083680,3508502098,135982109,2406850010,2674691998,3903782739,3673009508,3196976129,124737966,3727608735,3698514242,2926317182,2598715876,2200551045,3324466456,2027872794,1316834497,3538558575,4094723182,3091112109,152419065,961268200,2817719766,2542630774,735678394,2025086356,3319743251,3482513753,3754037486,2186326636,2162920719,1933319201,1362420666,3093979107,3944963833,3173846995,3307766644,4239176696,3380551792,3189093155,3679104199,4159403556,3373361362,737822358,2043192588,3446724037,2184123451,3680508975,492248740,1654088879,3739912969,188663922,4074712169},{2400585854,3884144496,312737665,3547448515,3596760612,2953776441,190371072,1980790627,3681130262,827104214,1597200957,1333455720,1391423898,4233042842,3284284880,50168935,2424437529,2771213818,3715896496,3320142743,3649069246,2702994054,839870558,1257344415,3116165843,4195920375,2497396347,1334871168,3550010104,64795091,3042249326,4155098628,123980023,3500559217,1825888674,443352554,3891428201,2484397377,4136956616,4201065713,2547196505,3411971111,2135688607,393830937,4198844531,3826748593,3979050977,1220766766,3592470842,2278136,1841247501,3507376964,3313320668,3849023694,2185649624,3043141327,1601153541,939583339,2083130022,3508853409,2068728550,3713282728,2402412627,1764295415}}]]></string>
 
 	<!-- (TWRP) Add secure mode setting. Requires 'apply_signature' and 'inject_signature_enable'. Limits flashing to TWRP only, verifies ZIP signature in TWRP, disables auto-flashing of additional ZIPs -->
-	<item name="secure_mode_enable" type="bool">true</item>
+	<item name="secure_mode_enable" type="bool">false</item>
 
 	<!-- (TWRP) Requires 'secure_mode_enable'. Decides whether the default setting for secure mode is enabled (true) or disabled (false) -->
-	<item name="secure_mode_default" type="bool">true</item>
+	<item name="secure_mode_default" type="bool">false</item>
 
 	<!--
     	Devices (detected using property_device) which may crash while downloading/patching/verifying when the screen is off.
@@ -54,8 +57,8 @@
 		<item>i777</item>
 	</string-array>
 
-	<string name="official_version_tag">NIGHTLY</string>
-	<string name="weekly_version_tag">WEEKLY</string>
+	<string name="official_version_tag">Official</string>
+	<string name="weekly_version_tag">CI</string>
 	<string name="security_version_tag">SECURITY_RELEASE</string>
 
 	<string name="android_version">ro.build.version.release</string>
diff --git a/src/eu/chainfire/opendelta/Config.java b/src/eu/chainfire/opendelta/Config.java
index 5cee270..51a94cf 100644
--- a/src/eu/chainfire/opendelta/Config.java
+++ b/src/eu/chainfire/opendelta/Config.java
@@ -1,20 +1,20 @@
-/* 
+/*
  * Copyright (C) 2013-2014 Jorrit "Chainfire" Jongma
  * Copyright (C) 2013-2015 The OmniROM Project
  */
-/* 
+/*
  * This file is part of OpenDelta.
- * 
+ *
  * OpenDelta is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- * 
+ *
  * OpenDelta is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with OpenDelta. If not, see <http://www.gnu.org/licenses/>.
  */
@@ -62,6 +62,7 @@ public class Config {
     private final String url_base_delta;
     private final String url_base_update;
     private final String url_base_full;
+    private final String url_base_suffix;
     private final boolean apply_signature;
     private final boolean inject_signature_enable;
     private final String inject_signature_keys;
@@ -116,15 +117,18 @@ public class Config {
                 res.getString(R.string.url_base_delta), property_device);
         url_base_update = String.format(Locale.ENGLISH,
                 res.getString(R.string.url_base_update), property_device);
-        url_base_full = String.format(Locale.ENGLISH,
+        url_base_full = String.format(
                 res.getString(R.string.url_base_full), property_device);
+        url_base_suffix = res.getString(R.string.url_base_suffix);
         apply_signature = res.getBoolean(R.bool.apply_signature);
         inject_signature_enable = res
                 .getBoolean(R.bool.inject_signature_enable);
         inject_signature_keys = res.getString(R.string.inject_signature_keys);
         secure_mode_enable = res.getBoolean(R.bool.secure_mode_enable);
         secure_mode_default = res.getBoolean(R.bool.secure_mode_default);
-        url_base_json = res.getString(R.string.url_base_json);
+        url_base_json = String.format(
+                res.getString(R.string.url_base_json),
+                property_device, property_device);
         official_version_tag = res.getString(R.string.official_version_tag);
         weekly_version_tag = res.getString(R.string.weekly_version_tag);
         security_version_tag = res.getString(R.string.security_version_tag);
@@ -190,6 +194,10 @@ public class Config {
         return url_base_full;
     }
 
+    public String getUrlSuffix() {
+        return url_base_suffix;
+    }
+
     public boolean getApplySignature() {
         return apply_signature;
     }
diff --git a/src/eu/chainfire/opendelta/UpdateService.java b/src/eu/chainfire/opendelta/UpdateService.java
index 0de0b0a..e36af41 100644
--- a/src/eu/chainfire/opendelta/UpdateService.java
+++ b/src/eu/chainfire/opendelta/UpdateService.java
@@ -1,20 +1,20 @@
-/* 
+/*
  * Copyright (C) 2013-2014 Jorrit "Chainfire" Jongma
  * Copyright (C) 2013-2015 The OmniROM Project
  */
-/* 
+/*
  * This file is part of OpenDelta.
- * 
+ *
  * OpenDelta is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- * 
+ *
  * OpenDelta is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with OpenDelta. If not, see <http://www.gnu.org/licenses/>.
  */
@@ -26,6 +26,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
+import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -469,7 +470,7 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
         }
         if (stopDownload) {
             // stop download is only possible in the download step
-            // that means must have done a check step before 
+            // that means must have done a check step before
             // so just fall back to this instead to show none state
             // which is just confusing
             checkOnly = PREF_AUTO_DOWNLOAD_CHECK;
@@ -692,17 +693,17 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
             InputStream is = urlConnection.getInputStream();
             ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
             int byteInt;
-            
+
             while((byteInt = is.read()) >= 0){
                 byteArray.write(byteInt);
             }
-            
+
             byte[] bytes = byteArray.toByteArray();
             if(bytes == null){
                 return null;
             }
             String responseBody = new String(bytes, StandardCharsets.UTF_8);
-            
+
             return responseBody;
         } catch (Exception e) {
             // Download failed for any number of reasons, timeouts, connection
@@ -961,23 +962,24 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
         JSONObject object = null;
         try {
             object = new JSONObject(buildData);
-            Iterator<String> nextKey = object.keys();
+            JSONArray updatesList = object.getJSONArray("response");
             String latestBuild = null;
             long latestTimestamp = 0;
-            while (nextKey.hasNext()) {
-                String key = nextKey.next();
-                if (key.equals("./" + config.getDevice())) {
-                    JSONArray builds = object.getJSONArray(key);
-                    for (int i = 0; i < builds.length(); i++) {
-                        JSONObject build = builds.getJSONObject(i);
-                        String fileName = new File(build.getString("filename")).getName();
-                        long timestamp = build.getLong("timestamp");
-                        // latest build can have a larger micro version then what we run now
-                        if (isMatchingImage(fileName) && timestamp>latestTimestamp) {
-                            latestBuild = fileName;
-                            latestTimestamp = timestamp;
-                        }
+            for (int i = 0; i < updatesList.length(); i++) {
+                if (updatesList.isNull(i)) {
+                    continue;
+                }
+                try {
+                    JSONObject build = updatesList.getJSONObject(i);
+                    String fileName = new File(build.getString("filename")).getName();
+                    long timestamp = build.getLong("datetime");
+                    // latest build can have a larger micro version then what we run now
+                    if (isMatchingImage(fileName) && timestamp>latestTimestamp) {
+                        latestBuild = fileName;
+                        latestTimestamp = timestamp;
                     }
+                } catch (JSONException e) {
+                    Logger.ex(e);
                 }
             }
             if (latestBuild != null) {
@@ -1804,7 +1806,7 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
     }
 
     private String getLatestFullMd5Sum(String latestFullFetch) {
-        String md5Url = latestFullFetch + ".md5sum";
+        String md5Url = latestFullFetch.replace(".zip", ".md5sum");
         String latestFullMd5 = downloadUrlMemoryAsString(md5Url);
         if (latestFullMd5 != null){
             String md5Part = null;
@@ -2011,13 +2013,12 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
                     // if we dont even find a build on dl no sense to continue
                     if (latestFullBuild == null) {
                         Logger.d("no latest build found at " + config.getUrlBaseJson() +
-                                " for " + config.getDevice() + " prefix " + config.getFileBaseNamePrefix());
+                                " for " + config.getDevice());
                         return;
                     }
 
-                    String latestFullFetch = String.format(Locale.ENGLISH, "%s%s",
-                            config.getUrlBaseFull(),
-                            latestFullBuild);
+                    String latestFullFetch = config.getUrlBaseFull() +
+                            latestFullBuild + config.getUrlSuffix();
                     Logger.d("latest full build for device " + config.getDevice() + " is " + latestFullFetch);
                     prefs.edit().putString(PREF_LATEST_FULL_NAME, latestFullBuild).commit();
 
@@ -2299,7 +2300,7 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
                         if (force || networkState.getState()) {
                             String latestFullMd5 = getLatestFullMd5Sum(latestFullFetch);
                             if (latestFullMd5 != null){
-                                downloadFullBuild(latestFullFetch, latestFullMd5, latestFullBuild);
+                                downloadFullBuild(latestFullFetch, latestFullMd5, latestFullBuild); // download full
                             } else {
                                 Logger.d("aborting download due to md5sum not found");
                             }
@@ -2348,7 +2349,7 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
         if (oldFlashFilename != PREF_READY_FILENAME_DEFAULT && !oldFlashFilename.equals(newFlashFilename)
                 && oldFlashFilename.startsWith(config.getPathBase())) {
             File file = new File(oldFlashFilename);
-            if (file.exists() && file.getName().startsWith(config.getFileBaseNamePrefix())) {
+            if (file.exists()) {
                 Logger.d("delete oldFlashFilename " + oldFlashFilename);
                 file.delete();
             }
@@ -2361,7 +2362,7 @@ OnWantUpdateCheckListener, OnSharedPreferenceChangeListener {
         File[] contents = new File(dataFolder).listFiles();
         if (contents != null) {
             for (File file : contents) {
-                if (file.isFile() && file.getName().startsWith(config.getFileBaseNamePrefix())) {
+                if (file.isFile()) {
                     Logger.d("image file: " + file.getName());
                 }
             }