diff --git a/app/mobile/profile/page.tsx b/app/mobile/profile/page.tsx
new file mode 100644
index 0000000..f7cf71a
--- /dev/null
+++ b/app/mobile/profile/page.tsx
@@ -0,0 +1,30 @@
+// /mobile/profile (PROF-01) — gated by requireAuth(), server-rendered shell
+// hosts the four client sections.
+
+import { redirect } from 'next/navigation';
+import { requireAuth } from '@/lib/auth-utils';
+import { ProfileTimezoneSection } from '@/components/mobile/profile/ProfileTimezoneSection';
+import { ProfileThemeSection } from '@/components/mobile/profile/ProfileThemeSection';
+import { ProfileNotificationMatrix } from '@/components/mobile/profile/ProfileNotificationMatrix';
+import { ProfileChannelsSection } from '@/components/mobile/profile/ProfileChannelsSectionPlaceholder';
+
+export default async function MobileProfilePage() {
+  const { session, error } = await requireAuth();
+  // CRITICAL: requireAuth() returns NextResponse on miss — that shape is for
+  // API routes only. A Page route MUST call redirect() instead. Returning
+  // `error` from here would render a JSON 401 body as the page, which is wrong.
+  if (error || !session) {
+    redirect('/auth/sign-in');
+  }
+  return (
+    <main className="px-4 pb-safe">
+      <h1 className="text-xl font-semibold pt-4 pb-2">Profile &amp; Preferences</h1>
+      <div className="space-y-4">
+        <ProfileTimezoneSection />
+        <ProfileThemeSection />
+        <ProfileNotificationMatrix />
+        <ProfileChannelsSection />
+      </div>
+    </main>
+  );
+}
diff --git a/components/mobile/MoreDrawer.tsx b/components/mobile/MoreDrawer.tsx
index 5bf36b6..21c8674 100644
--- a/components/mobile/MoreDrawer.tsx
+++ b/components/mobile/MoreDrawer.tsx
@@ -125,31 +125,39 @@ export function MoreDrawer({ open, onOpenChange }: MoreDrawerProps) {
           </div>
         </div>
 
-        {/* Section 3: Account (DRAWER-05) */}
+        {/* Section 3: Account (DRAWER-05, PROF-04) */}
         <div className="px-4 mt-auto pb-safe">
           <p className="text-xs font-semibold text-muted-foreground uppercase tracking-wider mb-2">
             Account
           </p>
           <div className="rounded-2xl border overflow-hidden">
             {user && (
-              <div className="flex items-center gap-3 px-4 py-3 border-b">
-                <span className="inline-flex h-8 w-8 items-center justify-center rounded-full bg-primary/15 text-primary text-xs font-semibold shrink-0">
-                  {initials}
-                </span>
-                <div className="flex-1 min-w-0">
-                  {user.name && (
-                    <p className="text-sm font-medium leading-tight truncate">
-                      {user.name}
-                    </p>
-                  )}
-                  {user.email && (
-                    <p className="text-xs text-muted-foreground truncate" title={user.email}>
-                      {user.email}
-                    </p>
-                  )}
-                </div>
-              </div>
+              <SheetClose asChild>
+                <Link href="/mobile/profile" className="flex items-center gap-3 px-4 py-3 hover:bg-accent transition-colors border-b">
+                  <span className="inline-flex h-8 w-8 items-center justify-center rounded-full bg-primary/15 text-primary text-xs font-semibold shrink-0">
+                    {initials}
+                  </span>
+                  <div className="flex-1 min-w-0">
+                    {user.name && (
+                      <p className="text-sm font-medium leading-tight truncate">
+                        {user.name}
+                      </p>
+                    )}
+                    {user.email && (
+                      <p className="text-xs text-muted-foreground truncate" title={user.email}>
+                        {user.email}
+                      </p>
+                    )}
+                  </div>
+                </Link>
+              </SheetClose>
             )}
+            <SheetClose asChild>
+              <Link href="/mobile/profile" className="flex items-center gap-3 px-4 py-3 hover:bg-accent transition-colors border-b">
+                <Settings className="w-4 h-4 text-muted-foreground shrink-0" />
+                <span className="text-sm flex-1">Profile &amp; preferences</span>
+              </Link>
+            </SheetClose>
             <button
               type="button"
               onClick={handleSignOut}
diff --git a/components/mobile/profile/ProfileChannelsSectionPlaceholder.tsx b/components/mobile/profile/ProfileChannelsSectionPlaceholder.tsx
new file mode 100644
index 0000000..47c3d2a
--- /dev/null
+++ b/components/mobile/profile/ProfileChannelsSectionPlaceholder.tsx
@@ -0,0 +1,25 @@
+'use client';
+
+/**
+ * Placeholder for ProfileChannelsSection — wired in Plan 04 so the page
+ * compiles. Plan 05 replaces this file with the real component (Teams +
+ * ntfy + QR code). The named export `ProfileChannelsSection` matches the
+ * import in app/mobile/profile/page.tsx so the swap is a one-file change.
+ */
+
+import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card';
+
+export function ProfileChannelsSection() {
+  return (
+    <Card>
+      <CardHeader className="px-4 pt-4 pb-0">
+        <CardTitle>Personal Channels</CardTitle>
+      </CardHeader>
+      <CardContent className="px-4 py-4">
+        <p className="text-sm text-muted-foreground">
+          Coming soon — channel configuration ships in Plan 05.
+        </p>
+      </CardContent>
+    </Card>
+  );
+}
diff --git a/components/mobile/profile/ProfileSectionSkeleton.tsx b/components/mobile/profile/ProfileSectionSkeleton.tsx
new file mode 100644
index 0000000..c3c314b
--- /dev/null
+++ b/components/mobile/profile/ProfileSectionSkeleton.tsx
@@ -0,0 +1,21 @@
+'use client';
+
+import { Card, CardHeader, CardContent } from '@/components/ui/card';
+import { Skeleton } from '@/components/ui/skeleton';
+
+export default function ProfileSectionSkeleton() {
+  return (
+    <Card>
+      <CardHeader className="px-4 pt-4 pb-0">
+        <Skeleton className="h-5 w-32" />
+      </CardHeader>
+      <CardContent className="px-4 py-4">
+        <div className="space-y-3">
+          <Skeleton className="h-10 w-full" />
+          <Skeleton className="h-10 w-full" />
+          <Skeleton className="h-10 w-full" />
+        </div>
+      </CardContent>
+    </Card>
+  );
+}