diff --git a/app/release/app-release-4.1.12.apk b/app/release/app-release-4.1.12.apk
deleted file mode 100644
index 3b16726..0000000
Binary files a/app/release/app-release-4.1.12.apk and /dev/null differ
diff --git a/app/release/app-release-4.2.1l.apk b/app/release/app-release-4.2.1n.apk
similarity index 60%
rename from app/release/app-release-4.2.1l.apk
rename to app/release/app-release-4.2.1n.apk
index c9c5435..2a504e1 100644
Binary files a/app/release/app-release-4.2.1l.apk and b/app/release/app-release-4.2.1n.apk differ
diff --git a/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java b/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java
index ba07a03..262dd82 100644
--- a/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java
+++ b/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java
@@ -427,7 +427,7 @@ public class StartupActivity extends AppCompatActivity {
                         Log.i(TAG, "serverStatusRunnable() - starting main activity...");
                         mUtil.writeToSysLogFile("StartupActivity.serverStatusRunnable - all checks ok - starting main activity.");
                         try {
-                            Boolean useNewUi = SP.getBoolean("UseNewUi", false);
+                            Boolean useNewUi = SP.getBoolean("UseNewUi", true);
                             Intent intent;
                             if (useNewUi) {
                                 intent = new Intent(