diff --git a/crates/tauri-app/src/lib.rs b/crates/tauri-app/src/lib.rs
index 8cac71c..5268ac8 100644
--- a/crates/tauri-app/src/lib.rs
+++ b/crates/tauri-app/src/lib.rs
@@ -2497,6 +2497,34 @@ async fn export_data(
         paths.join(", ")))
 }
 
+/// Clear the duplicate identity flag and start sync tasks that were skipped.
+#[tauri::command]
+async fn clear_duplicate_flag(state: State<'_, AppNode>) -> Result<(), String> {
+    let node = get_node(&state).await;
+    node.network.duplicate_detected.store(false, std::sync::atomic::Ordering::Relaxed);
+    // Start the sync tasks that were skipped during bootstrap
+    node.start_accept_loop();
+    node.start_pull_cycle(300);
+    node.start_diff_cycle(120);
+    node.start_rebalance_cycle(600);
+    node.start_growth_loop();
+    node.start_recovery_loop();
+    node.start_social_checkin_cycle(3600);
+    node.start_anchor_register_cycle(600);
+    node.start_upnp_renewal_cycle();
+    node.start_upnp_tcp_renewal_cycle();
+    node.start_http_server();
+    node.start_bootstrap_connectivity_check();
+    node.start_replication_cycle(600);
+    let cache_max_bytes: u64 = {
+        let storage = node.storage.get().await;
+        storage.get_setting("cache_size_bytes").ok().flatten()
+            .and_then(|s| s.parse().ok()).unwrap_or(1_073_741_824u64)
+    };
+    Node::start_eviction_cycle(Arc::clone(&node), 300, cache_max_bytes);
+    Ok(())
+}
+
 /// On Android: save a file from the app's internal storage to a user-chosen location via SAF.
 /// On desktop: no-op (files are already in ~/Downloads).
 #[tauri::command]
@@ -2803,6 +2831,7 @@ pub fn run() {
             get_active_identity,
             export_data,
             share_file,
+            clear_duplicate_flag,
             import_summary,
             import_public_posts,
             import_as_new_identity,
diff --git a/frontend/app.js b/frontend/app.js
index 00af266..697e6f8 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -3918,10 +3918,14 @@ async function init() {
                 if (info && info.duplicateDetected) {
                     _duplicateWarningShown = true;
                     const banner = document.createElement('div');
-                    banner.style.cssText = 'position:fixed;top:0;left:0;right:0;background:#c0392b;color:#fff;padding:0.5rem;text-align:center;font-size:0.8rem;z-index:999;';
-                    banner.textContent = 'This identity is active on another device. Sync paused to prevent data conflicts.';
+                    banner.style.cssText = 'position:fixed;top:0;left:0;right:0;background:#c0392b;color:#fff;padding:0.5rem;text-align:center;font-size:0.8rem;z-index:999;display:flex;align-items:center;justify-content:center;gap:0.5rem;';
+                    banner.innerHTML = '<span>This identity may be active on another device. Sync paused.</span><button id="dup-override-btn" style="background:#fff;color:#c0392b;border:none;border-radius:4px;padding:0.2rem 0.6rem;font-size:0.75rem;cursor:pointer">Continue Anyway</button>';
                     document.body.prepend(banner);
-                    toast('Duplicate identity detected — sync paused');
+                    banner.querySelector('#dup-override-btn').addEventListener('click', async () => {
+                        try { await invoke('clear_duplicate_flag'); } catch (_) {}
+                        banner.remove();
+                        toast('Sync resumed');
+                    });
                 }
             } catch (_) {}
         }