diff --git a/admin_server.py b/admin_server.py
index 2ead5fe..a40774d 100644
--- a/admin_server.py
+++ b/admin_server.py
@@ -2841,11 +2841,14 @@ async def admin_msfs_sync_task(task_id: str):
 
 @app.post("/api/admin/msfs-sync/launch-app")
 async def admin_msfs_sync_launch():
-    """Launch the MS Field Service app on the connected phone."""
+    """Launch MS Field Service app, navigate to Check for Updates via UI nav.
+
+    Taps globe icon in top-right, waits 15s, taps Check for Updates button,
+    then waits for the phone's offline DB to stabilize.
+    """
     try:
-        async with httpx.AsyncClient(timeout=15) as client:
-            resp = await client.post(f"{EXTRACTION_SYNC_BASE}/api/sync/start")
-            # The start endpoint already launches the app
+        async with httpx.AsyncClient(timeout=30) as client:
+            resp = await client.post(f"{EXTRACTION_SYNC_BASE}/api/sync/check-for-updates")
             return resp.json()
     except httpx.RequestError as e:
         raise HTTPException(502, f"Extraction server unreachable: {e}")
diff --git a/assets.db.stale b/assets.db.stale
new file mode 100644
index 0000000..e43e681
Binary files /dev/null and b/assets.db.stale differ
diff --git a/assets.db.stale2 b/assets.db.stale2
new file mode 100644
index 0000000..c799593
Binary files /dev/null and b/assets.db.stale2 differ
diff --git a/static/index.html b/static/index.html
index cf55bab..9d21bc1 100644
--- a/static/index.html
+++ b/static/index.html
@@ -5679,8 +5679,61 @@ async function pollMsfsTask() {
 
 async function launchMsfsApp() {
   try {
-    await api('/api/admin/msfs-sync/launch-app', { method: 'POST' });
-    showToast('📱 Sync started — Field Service app launched on phone, wait for it to complete');
+    const result = await api('/api/admin/msfs-sync/launch-app', { method: 'POST' });
+    showToast('📱 App launched — navigating to Check for Updates...');
+
+    const taskId = result.task_id;
+    if (!taskId) {
+      showToast('⚠️ No task_id returned — check extraction server', true);
+      return;
+    }
+
+    syncTaskId = taskId;
+    document.getElementById('msfsLaunchBtn').disabled = true;
+    document.getElementById('msfsProgressCard').style.display = '';
+    document.getElementById('msfsProgressResult').style.display = 'none';
+    document.getElementById('msfsProgressMsg').textContent = 'Launching app...';
+    document.getElementById('msfsCancelBtn').style.display = '';
+
+    syncPollInterval = setInterval(async () => {
+      try {
+        const task = await api(`/api/admin/msfs-sync/task/${taskId}`);
+        document.getElementById('msfsProgressMsg').textContent = task.message || 'Working...';
+
+        if (task.status === 'completed') {
+          clearInterval(syncPollInterval);
+          syncPollInterval = null;
+          document.getElementById('msfsLaunchBtn').disabled = false;
+          document.getElementById('msfsCancelBtn').style.display = 'none';
+          document.getElementById('msfsProgressResult').style.display = '';
+          document.getElementById('msfsProgressResult').innerHTML =
+            `<div style="color:var(--green);font-size:13px;">✅ Updates check complete — phone finished syncing</div>`;
+          showToast('✅ Phone check-for-updates complete');
+          loadMsfsSync();  // refresh
+        } else if (task.status === 'warning') {
+          clearInterval(syncPollInterval);
+          syncPollInterval = null;
+          document.getElementById('msfsLaunchBtn').disabled = false;
+          document.getElementById('msfsCancelBtn').style.display = 'none';
+          document.getElementById('msfsProgressResult').style.display = '';
+          document.getElementById('msfsProgressResult').innerHTML =
+            `<div style="color:var(--amber);font-size:13px;">⚠️ ${esc(task.message)}</div>`;
+          showToast('⚠️ Check-for-updates completed with warnings', true);
+          loadMsfsSync();
+        } else if (task.status === 'failed') {
+          clearInterval(syncPollInterval);
+          syncPollInterval = null;
+          document.getElementById('msfsLaunchBtn').disabled = false;
+          document.getElementById('msfsCancelBtn').style.display = 'none';
+          document.getElementById('msfsProgressResult').style.display = '';
+          document.getElementById('msfsProgressResult').innerHTML =
+            `<div style="color:var(--red);font-size:13px;">❌ ${esc(task.message)}</div>`;
+          showToast(`❌ ${task.message}`, true);
+        }
+      } catch (e) {
+        // Keep polling
+      }
+    }, 2000);
   } catch (e) {
     showToast(e.message, true);
   }