diff --git a/apps/admin-ui/src/app/settings/page.tsx b/apps/admin-ui/src/app/settings/page.tsx
index d265380..eff7d4d 100644
--- a/apps/admin-ui/src/app/settings/page.tsx
+++ b/apps/admin-ui/src/app/settings/page.tsx
@@ -149,6 +149,7 @@ export default function SettingsPage() {
     Array<{ id: string; name: string; channelCount: number }>
   >([]);
   const [tvBusy, setTvBusy] = useState(false);
+  const [tvRefreshBusy, setTvRefreshBusy] = useState(false);
   const [tvMsg, setTvMsg] = useState<string | null>(null);
   const [tvErr, setTvErr] = useState<string | null>(null);
 
@@ -518,6 +519,33 @@ export default function SettingsPage() {
     }
   }
 
+  async function refreshTvEpg() {
+    setTvRefreshBusy(true);
+    setTvMsg(null);
+    setTvErr(null);
+    try {
+      const res = await fetch("/api/v1/admin/settings/iptv/refresh-epg", {
+        method: "POST",
+        credentials: "include",
+      });
+      const data = await res.json().catch(() => ({}));
+      if (!res.ok) {
+        setTvErr(data.error?.message ?? "EPG vernieuwen mislukt");
+        return;
+      }
+      const ok = data.xmltvOk ?? 0;
+      const fail = data.xmltvFailed ?? 0;
+      setTvMsg(
+        fail > 0
+          ? `EPG vernieuwd (${ok} ok, ${fail} mislukt) — open TV in de app opnieuw`
+          : `EPG vernieuwd (${ok} lijn${ok === 1 ? "" : "en"}) — open TV in de app opnieuw`
+      );
+      if (Array.isArray(data.categories)) setTvCategories(data.categories);
+    } finally {
+      setTvRefreshBusy(false);
+    }
+  }
+
   return (
     <>
       <Nav />
@@ -876,15 +904,27 @@ export default function SettingsPage() {
                 ))}
               </div>
               <div className="inline-form" style={{ marginTop: "1rem" }}>
-                <button type="button" disabled={tvBusy} onClick={() => void saveTvSettings()}>
+                <button type="button" disabled={tvBusy || tvRefreshBusy} onClick={() => void saveTvSettings()}>
                   {tvBusy ? "Bezig…" : "Opslaan"}
                 </button>
-                <button type="button" disabled={tvBusy} onClick={() => loadTvSettings()}>
-                  Vernieuwen
+                <button
+                  type="button"
+                  disabled={tvBusy || tvRefreshBusy}
+                  onClick={() => void refreshTvEpg()}
+                  title="Leegt EPG-cache en haalt XUI + Admin-URL's opnieuw op"
+                >
+                  {tvRefreshBusy ? "EPG laden…" : "EPG vernieuwen"}
+                </button>
+                <button type="button" disabled={tvBusy || tvRefreshBusy} onClick={() => loadTvSettings()}>
+                  Categorieën herladen
                 </button>
                 {tvMsg && <span className="ok-text">{tvMsg}</span>}
                 {tvErr && <span className="danger-text">{tvErr}</span>}
               </div>
+              <p className="muted" style={{ marginTop: "0.75rem", fontSize: "0.85rem" }}>
+                Na een wijziging in XUI: klik <strong>EPG vernieuwen</strong>, daarna in de app de TV-tab
+                opnieuw openen (of app herstarten) zodat de lijst niet uit lokaal geheugen komt.
+              </p>
             </div>
           </section>
         )}
diff --git a/apps/master-api/src/iptv/xtream.ts b/apps/master-api/src/iptv/xtream.ts
index 72f363e..b3d376b 100644
--- a/apps/master-api/src/iptv/xtream.ts
+++ b/apps/master-api/src/iptv/xtream.ts
@@ -112,6 +112,28 @@ type GlobalListEntry = { at: number; data: unknown };
 const globalLiveListCache = new Map<string, GlobalListEntry>();
 const globalLiveListRefreshing = new Set<string>();
 
+/** Leeg alle process-globale XMLTV-caches (na XUI/EPG-wijziging). */
+export function invalidateGlobalXmltvCaches() {
+  globalXmltvGuides.clear();
+  globalXmltvRefreshing.clear();
+}
+
+/** Leeg gecachte live categories/streams. */
+export function invalidateGlobalLiveListCaches() {
+  globalLiveListCache.clear();
+  globalLiveListRefreshing.clear();
+}
+
+export function invalidateAllXtreamGlobalCaches() {
+  invalidateGlobalXmltvCaches();
+  invalidateGlobalLiveListCaches();
+}
+
+/** Alias voor Admin “EPG vernieuwen”. */
+export function invalidateGlobalIptvCaches() {
+  invalidateAllXtreamGlobalCaches();
+}
+
 /** Optionele externe rijke feeds (icons/desc), gezet vanuit admin/config. */
 let externalEpgXmlUrls: string[] = [];
 
diff --git a/apps/master-api/src/settings/routes.ts b/apps/master-api/src/settings/routes.ts
index 194a463..8ef2540 100644
--- a/apps/master-api/src/settings/routes.ts
+++ b/apps/master-api/src/settings/routes.ts
@@ -11,7 +11,7 @@ import {
   upsertGooglePlaySettings,
 } from "./google-play";
 import { getIptvSettings, upsertIptvSettings } from "./iptv";
-import { listIptvCategoriesForAdmin } from "../viewer/iptv-client";
+import { listIptvCategoriesForAdmin, refreshIptvEpgNow } from "../viewer/iptv-client";
 import type { GooglePlayAccessService } from "../google-play/service";
 
 export function registerSettingsRoutes(
@@ -86,4 +86,10 @@ export function registerSettingsRoutes(
     const categories = await listIptvCategoriesForAdmin(config);
     return { settings, categories };
   });
+
+  app.post("/api/v1/admin/settings/iptv/refresh-epg", { preHandler: requireAdmin }, async () => {
+    const result = await refreshIptvEpgNow(config);
+    const categories = await listIptvCategoriesForAdmin(config);
+    return { ok: true, ...result, categories };
+  });
 }
diff --git a/apps/master-api/src/viewer/iptv-client.ts b/apps/master-api/src/viewer/iptv-client.ts
index d2f9d30..c02a90b 100644
--- a/apps/master-api/src/viewer/iptv-client.ts
+++ b/apps/master-api/src/viewer/iptv-client.ts
@@ -5,6 +5,7 @@ import { loadXtreamByLineId, loadXtreamForViewer } from "../iptv/service";
 import {
   decodeEpgText,
   epgToIso,
+  invalidateAllXtreamGlobalCaches,
   recomputeGuideNowNext,
   type XtreamClient,
   type XtreamEpgListing,
@@ -387,6 +388,14 @@ type StreamEpgCacheEntry = {
 };
 const epgStreamCache = new Map<string, StreamEpgCacheEntry>();
 
+/** Wis Nu/Straks + detail-EPG caches (na XUI-wijziging). */
+export function invalidateIptvEpgDerivedCaches() {
+  epgCategoryCache.clear();
+  epgCategoryRefreshing.clear();
+  epgStreamCache.clear();
+  xmltvLineRefreshing.clear();
+}
+
 function epgCacheKey(tokenId: string, categoryId?: string): string {
   return `${tokenId}:${categoryId?.trim() || "__all__"}`;
 }
@@ -819,3 +828,53 @@ export function startIptvEpgWarmup(config: Config) {
   setTimeout(() => void tick(), 5_000);
   setInterval(() => void tick(), INTERVAL_MS);
 }
+
+/**
+ * Admin: caches legen + XMLTV/lijsten opnieuw ophalen zodat XUI-wijzigingen meteen binnenkomen.
+ */
+export async function refreshIptvEpgNow(config: Config): Promise<{
+  lines: number;
+  xmltvOk: number;
+  xmltvFailed: number;
+}> {
+  invalidateAllXtreamGlobalCaches();
+  invalidateIptvEpgDerivedCaches();
+  await applyIptvEpgUrlsToRuntime(config);
+
+  const lines = await prisma.iptvLine.findMany({
+    where: {
+      enableLive: true,
+      OR: [
+        { viewerUserId: { not: null } },
+        { addonToken: { is: { revoked: false } } },
+      ],
+    },
+    select: { id: true },
+    take: 12,
+    orderBy: { updatedAt: "desc" },
+  });
+
+  let xmltvOk = 0;
+  let xmltvFailed = 0;
+
+  for (const line of lines) {
+    try {
+      const xt = await loadXtreamByLineId(line.id, config);
+      if (!xt?.line.enableLive) continue;
+      await xt.client.getLiveCategories().catch(() => []);
+      const all = sortChannels(await xt.client.getLiveStreams().catch(() => []));
+      await xt.client.getXmltvGuidesByChannelId(0);
+      if (all.length > 0) {
+        await resolveCategoryEpgTitles(xt.cacheKey, "__all__", all, xt.client, {
+          waitForXmltv: true,
+        });
+      }
+      xmltvOk++;
+    } catch (err) {
+      xmltvFailed++;
+      console.warn("[iptv-epg-refresh]", line.id, err);
+    }
+  }
+
+  return { lines: lines.length, xmltvOk, xmltvFailed };
+}