diff --git a/src/components/portal/register-flow.tsx b/src/components/portal/register-flow.tsx
index cd15d9c..1703b53 100644
--- a/src/components/portal/register-flow.tsx
+++ b/src/components/portal/register-flow.tsx
@@ -19,6 +19,12 @@ type Addr = { line1?: string; line2?: string; city?: string; state?: string; pos
 const STEPS = ["Account", "Verify", "Address"];
 const EMAIL_RE = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
 
+// Demo fallback for phone OTP while the Twilio sender is down. When on, the Verify
+// step skips Supabase/Twilio and accepts a fixed code. Flip NEXT_PUBLIC_MOCK_OTP to
+// "false" (or remove it) to restore real SMS verification — no other change needed.
+const MOCK_OTP = process.env.NEXT_PUBLIC_MOCK_OTP === "true";
+const DEMO_OTP = "123456";
+
 export function RegisterFlow({ mode = "register" }: { mode?: "register" | "onboard" }) {
   // "onboard" = an already-authenticated OAuth (Google) user completing their CRM
   // profile: email is skipped (Google-verified), the auth account already exists so
@@ -390,6 +396,7 @@ function PhoneVerify({ cc, country, initialPhone, verified, onVerified }: {
     if (value.replace(/\D/g, "").length !== country.digits) { setState("invalid_mobile"); return; }
     setState("sending");
     setOtpError("");
+    if (MOCK_OTP) { setState("sent"); return; }   // demo: skip Twilio entirely
     try {
       await addPhone(e164);         // Supabase → Twilio sends the SMS OTP
       setState("sent");
@@ -400,6 +407,11 @@ function PhoneVerify({ cc, country, initialPhone, verified, onVerified }: {
 
   async function submit(code: string) {
     setOtpError("");
+    if (MOCK_OTP) {
+      if (code === DEMO_OTP) onVerified();
+      else setOtpError(`Demo mode — enter ${DEMO_OTP} to verify.`);
+      return;
+    }
     try {
       await verifyPhone(e164, code); // confirm the OTP (phone_change)
       onVerified();
@@ -436,13 +448,13 @@ function PhoneVerify({ cc, country, initialPhone, verified, onVerified }: {
       </div>
 
       <div className="row between" style={{ marginTop: 12 }}>
-        <span className="faint" style={{ fontSize: 12 }}>Standard SMS rates may apply.</span>
+        <span className="faint" style={{ fontSize: 12 }}>{MOCK_OTP ? "Demo verification (no SMS sent)." : "Standard SMS rates may apply."}</span>
         <button className="btn btn-sm" style={{ width: "auto" }} disabled={state === "sending" || state === "sent"} onClick={send}>
           {state === "sending" ? "Sending…" : state === "sent" ? "Sent" : "Send code"}
         </button>
       </div>
 
-      {state === "sent" && <p className="faint" style={{ fontSize: 12, marginTop: 10 }}>Code sent to {cc} {value} by SMS.</p>}
+      {state === "sent" && <p className="faint" style={{ fontSize: 12, marginTop: 10 }}>{MOCK_OTP ? `Demo mode — enter ${DEMO_OTP} to verify (SMS temporarily disabled).` : `Code sent to ${cc} ${value} by SMS.`}</p>}
       {state === "invalid_mobile" && <div style={{ marginTop: 10 }}><FlashNote tone="error">Enter a valid {country.digits}-digit mobile number.</FlashNote></div>}
       {state === "send_error" && <div style={{ marginTop: 10 }}><FlashNote tone="error">Couldn&apos;t send the code. Check the number and try again.</FlashNote></div>}