diff --git a/README.md b/README.md
index 2af35c1..e665055 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,6 @@ WiFiManager gives ESP8266 and ESP32 firmware a polished, self-hosted Wi-Fi setup
 | ![Branded WiFiManager portal overview on an ESP32.](docs/assets/portal-esp32-branded-overview.png) | ![WiFiManager network picker and custom MQTT broker field on an ESP8266.](docs/assets/portal-esp8266-custom-wifi.png) |
 | Give each product its own title, identity, icon, and color theme without copying portal HTML. | Show live nearby networks and collect application values, such as an MQTT broker, in the same setup flow. |
 
-These are unmodified browser captures of [Branded Portal](examples/BrandedPortal/) and [Custom Portal Content](examples/CustomPortalContent/) running on the supported boards. The portal is served by the device itself; no cloud UI or companion app is involved.
-
 ## Start with a working portal
 
 ```cpp
@@ -39,20 +37,18 @@ const char kTitle[] PROGMEM = "Set up Temperature Monitor";
 const char kBrand[] PROGMEM = "Example Devices";
 const char kAccent[] PROGMEM = "#347a45";
 
-const WiFiManagerPortalConfig kPortalUI = {
-    WiFiManagerPortalText::progmem(kTitle),
-    WiFiManagerPortalText::progmem(kBrand),
-    {}, {}, {},
-    {
-        {}, {}, {}, {}, {},
-        WiFiManagerPortalText::progmem(kAccent),
-        {}, {}, {}, {}, {},
-        10, 0,
-    },
-};
-
 void setup() {
-    wifi.setPortalConfig(kPortalUI);  // before the portal starts
+    WiFiManagerPortalConfig portalUI;
+
+    // Leave fields unset to keep WiFiManager's built-in portal values.
+    portalUI.title = WiFiManagerPortalText::progmem(kTitle);
+    portalUI.identityText = WiFiManagerPortalText::progmem(kBrand);
+
+    // Theme values customise the built-in styles; they do not replace the portal.
+    portalUI.theme.accent = WiFiManagerPortalText::progmem(kAccent);
+    portalUI.theme.cornerRadiusPx = 10;
+
+    wifi.setPortalConfig(portalUI);  // Apply before the portal starts.
     wifi.autoConnect("Device Setup");
 }
 
diff --git a/docs/GETTING_STARTED.md b/docs/GETTING_STARTED.md
index 3631095..d1e905f 100644
--- a/docs/GETTING_STARTED.md
+++ b/docs/GETTING_STARTED.md
@@ -11,17 +11,16 @@ WiFiManager wifi;
 void setup() {
     Serial.begin(115200);
     wifi.setConfigPortalTimeout(180);
-    if (!wifi.autoConnect("Example Setup", "change-me")) {
-        ESP.restart();
-    }
+    wifi.autoConnect("Example Setup", "change-me");
 }
 
 void loop() {
+    wifi.process();  // Keeps the portal responsive when setup is needed.
     // Normal work begins after autoConnect succeeds.
 }
 ```
 
-`autoConnect()` first tries stored station credentials. If that cannot connect, it starts the AP and portal with the supplied name and password. Use a Wi-Fi-valid AP password.
+`autoConnect()` first tries stored station credentials. If that cannot connect, it starts the AP and portal with the supplied name and password, then returns `false`; call `process()` from `loop()` so that portal can run. Use a Wi-Fi-valid AP password.
 
 ## PlatformIO dependency
 
diff --git a/docs/PORTAL_UI.md b/docs/PORTAL_UI.md
index e5d8c38..a370564 100644
--- a/docs/PORTAL_UI.md
+++ b/docs/PORTAL_UI.md
@@ -23,31 +23,30 @@ const char kSurface[] PROGMEM = "#ffffff";
 const char kAccent[] PROGMEM = "#347a45";
 const char kAccentText[] PROGMEM = "#ffffff";
 
-const WiFiManagerPortalConfig kPortalUI = {
-    WiFiManagerPortalText::progmem(kTitle),
-    WiFiManagerPortalText::progmem(kIdentity),
-    WiFiManagerPortalText::progmem(kTagline),
-    WiFiManagerPortalAsset::svgFromProgmem(kLogo),
-    WiFiManagerPortalText::progmem(kLogoAlt),
-    {
-        WiFiManagerPortalText::progmem(kPage),
-        WiFiManagerPortalText::progmem(kSurface),
-        {}, {}, {},
-        WiFiManagerPortalText::progmem(kAccent),
-        {},
-        WiFiManagerPortalText::progmem(kAccentText),
-        {}, {}, {},
-        10, 6,
-    },
-};
+WiFiManagerPortalConfig kPortalUI;
 }
 
 void setup() {
-    wifi.setPortalConfig(kPortalUI);
+    // Set only the identity values this product needs.
+    kPortalUI.title = WiFiManagerPortalText::progmem(kTitle);
+    kPortalUI.identityText = WiFiManagerPortalText::progmem(kIdentity);
+    kPortalUI.tagline = WiFiManagerPortalText::progmem(kTagline);
+    kPortalUI.logo = WiFiManagerPortalAsset::svgFromProgmem(kLogo);
+    kPortalUI.logoAltText = WiFiManagerPortalText::progmem(kLogoAlt);
+
+    // Unset theme values retain the built-in style.
+    kPortalUI.theme.pageBackground = WiFiManagerPortalText::progmem(kPage);
+    kPortalUI.theme.surface = WiFiManagerPortalText::progmem(kSurface);
+    kPortalUI.theme.accent = WiFiManagerPortalText::progmem(kAccent);
+    kPortalUI.theme.accentText = WiFiManagerPortalText::progmem(kAccentText);
+    kPortalUI.theme.cornerRadiusPx = 10;
+    kPortalUI.theme.smallCornerRadiusPx = 6;
+
+    wifi.setPortalConfig(kPortalUI);  // Configure before the portal starts.
     wifi.autoConnect("Temperature Monitor");
 }
 
-void loop() {}
+void loop() { wifi.process(); }
 ```
 
 The complete buildable example is [BrandedPortal](../examples/BrandedPortal/BrandedPortal.ino). The compile fixture exercises this API on ESP8266 and ESP32.
diff --git a/examples/BasicPortal/BasicPortal.ino b/examples/BasicPortal/BasicPortal.ino
index e5608d2..90350ff 100644
--- a/examples/BasicPortal/BasicPortal.ino
+++ b/examples/BasicPortal/BasicPortal.ino
@@ -7,9 +7,11 @@ void setup() {
     Serial.begin(115200);
     portal.setConfigPortalTimeout(180);
 
-    portal.autoConnect("WiFiManager Basic", "example-pass");
-
-    Serial.println("Connected. Run your normal application here.");
+    if (portal.autoConnect("WiFiManager Basic", "example-pass")) {
+        Serial.println("Connected. Run your normal application here.");
+    } else {
+        Serial.println("Setup portal started at http://192.168.4.1/");
+    }
 }
 
 void loop() { portal.process(); }
diff --git a/examples/BrandedPortal/BrandedPortal.ino b/examples/BrandedPortal/BrandedPortal.ino
index b9f2df3..072db0d 100644
--- a/examples/BrandedPortal/BrandedPortal.ino
+++ b/examples/BrandedPortal/BrandedPortal.ino
@@ -15,29 +15,28 @@ const char kText[] PROGMEM = "#1c251e";
 const char kAccent[] PROGMEM = "#347a45";
 const char kAccentText[] PROGMEM = "#ffffff";
 
-const WiFiManagerPortalConfig kPortalUI = {
-    WiFiManagerPortalText::progmem(kPortalTitle),
-    WiFiManagerPortalText::progmem(kPortalIdentity),
-    WiFiManagerPortalText::progmem(kPortalTagline),
-    WiFiManagerPortalAsset::svgFromProgmem(kExampleLogo),
-    WiFiManagerPortalText::progmem(kPortalLogoAlt),
-    {
-        WiFiManagerPortalText::progmem(kPage),
-        WiFiManagerPortalText::progmem(kSurface),
-        WiFiManagerPortalText::progmem(kText),
-        {}, {},
-        WiFiManagerPortalText::progmem(kAccent),
-        {},
-        WiFiManagerPortalText::progmem(kAccentText),
-        {}, {}, {},
-        10, 6,
-    },
-};
+WiFiManagerPortalConfig kPortalUI;
 }
 
 void setup() {
     Serial.begin(115200);
 
+    // Brand the built-in portal; unassigned fields retain their default values.
+    kPortalUI.title = WiFiManagerPortalText::progmem(kPortalTitle);
+    kPortalUI.identityText = WiFiManagerPortalText::progmem(kPortalIdentity);
+    kPortalUI.tagline = WiFiManagerPortalText::progmem(kPortalTagline);
+    kPortalUI.logo = WiFiManagerPortalAsset::svgFromProgmem(kExampleLogo);
+    kPortalUI.logoAltText = WiFiManagerPortalText::progmem(kPortalLogoAlt);
+
+    // Override only the theme tokens that define this product's appearance.
+    kPortalUI.theme.pageBackground = WiFiManagerPortalText::progmem(kPage);
+    kPortalUI.theme.surface = WiFiManagerPortalText::progmem(kSurface);
+    kPortalUI.theme.text = WiFiManagerPortalText::progmem(kText);
+    kPortalUI.theme.accent = WiFiManagerPortalText::progmem(kAccent);
+    kPortalUI.theme.accentText = WiFiManagerPortalText::progmem(kAccentText);
+    kPortalUI.theme.cornerRadiusPx = 10;
+    kPortalUI.theme.smallCornerRadiusPx = 6;
+
     if (!wifi.setPortalConfig(kPortalUI)) {
         Serial.println("Portal UI configuration was rejected");
     }