Fix proxy config in regV5.

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -52,7 +52,7 @@ import org.signal.ringrtc.CallManager;
 import org.thoughtcrime.securesms.apkupdate.ApkUpdateRefreshListener;
 import org.thoughtcrime.securesms.avatar.AvatarPickerStorage;
 import org.thoughtcrime.securesms.backup.v2.BackupRepository;
-import org.thoughtcrime.securesms.components.settings.app.AppSettingsActivity;
+import org.thoughtcrime.securesms.preferences.EditProxyActivity;
 import org.thoughtcrime.securesms.conversation.drafts.DraftBlobs;
 import org.thoughtcrime.securesms.crypto.AppAttachmentSecretStore;
 import org.thoughtcrime.securesms.crypto.DatabaseSecretProvider;
@@ -438,7 +438,7 @@ public class ApplicationContext extends Application implements AppForegroundObse
           return Unit.INSTANCE;
         },
         context -> {
-          context.startActivity(AppSettingsActivity.proxy(context));
+          context.startActivity(EditProxyActivity.intent(context));
           return Unit.INSTANCE;
         },
         (context, subject) -> {

app/src/main/java/org/thoughtcrime/securesms/preferences/EditProxyActivity.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2026 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.preferences
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import androidx.navigation.fragment.NavHostFragment
+import org.thoughtcrime.securesms.BaseActivity
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme
+import org.thoughtcrime.securesms.util.DynamicTheme
+
+/**
+ * Standalone host for [EditProxyFragment], usable during registration before the user is registered.
+ * Unlike [org.thoughtcrime.securesms.components.settings.app.AppSettingsActivity], this does not extend
+ * PassphraseRequiredActivity, so it won't reroute an unregistered user back into the registration flow.
+ */
+class EditProxyActivity : BaseActivity() {
+
+  private val dynamicTheme: DynamicTheme = DynamicNoActionBarTheme()
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    dynamicTheme.onCreate(this)
+
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.dsl_settings_activity)
+
+    if (savedInstanceState == null) {
+      val fragment = NavHostFragment.create(R.navigation.edit_proxy)
+      supportFragmentManager.beginTransaction()
+        .replace(R.id.nav_host_fragment, fragment)
+        .commitNow()
+    }
+  }
+
+  override fun onResume() {
+    super.onResume()
+    dynamicTheme.onResume(this)
+  }
+
+  companion object {
+    @JvmStatic
+    fun intent(context: Context): Intent = Intent(context, EditProxyActivity::class.java)
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/preferences/EditProxyFragment.java

@@ -57,7 +57,11 @@ public class EditProxyFragment extends Fragment {
   @Override
   public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
     Toolbar toolbar = view.findViewById(R.id.toolbar);
-    toolbar.setNavigationOnClickListener(v -> Navigation.findNavController(v).popBackStack());
+    toolbar.setNavigationOnClickListener(v -> {
+      if (!Navigation.findNavController(v).popBackStack()) {
+        requireActivity().finish();
+      }
+    });
 
     this.proxySwitch = view.findViewById(R.id.edit_proxy_switch);
     this.proxyTitle  = view.findViewById(R.id.edit_proxy_address_title);