diff --git a/.changeset/tidy-boxes-phone-notice.md b/.changeset/tidy-boxes-phone-notice.md
new file mode 100644
index 0000000..fac0fa6
--- /dev/null
+++ b/.changeset/tidy-boxes-phone-notice.md
@@ -0,0 +1,5 @@
+---
+"playground-cli": patch
+---
+
+Title-case all bordered callout titles ("Moddable Setup Needed", "Check Your Phone", etc.) and show a "Keep Your Phone Ready" heads-up when a phone-signed deploy starts, so users have their mobile app ready before the first approval prompt.
diff --git a/src/commands/contractDeployUi.tsx b/src/commands/contractDeployUi.tsx
index 18a9f9d..82dde99 100644
--- a/src/commands/contractDeployUi.tsx
+++ b/src/commands/contractDeployUi.tsx
@@ -170,7 +170,7 @@ function ContractDeployScreen({
                     />
                 )}
                 {adapter.signingError && (
-                    <Callout tone="danger" title="signing failed">
+                    <Callout tone="danger" title="Signing Failed">
                         <Text>{adapter.signingError}</Text>
                     </Callout>
                 )}
diff --git a/src/commands/decentralize/DecentralizeScreen.tsx b/src/commands/decentralize/DecentralizeScreen.tsx
index 1dd7284..7e1a667 100644
--- a/src/commands/decentralize/DecentralizeScreen.tsx
+++ b/src/commands/decentralize/DecentralizeScreen.tsx
@@ -152,7 +152,7 @@ export function DecentralizeScreen({
 
             {stage.kind === "prompt-url" && (
                 <>
-                    <Callout tone="warning" title="about this command">
+                    <Callout tone="warning" title="About This Command">
                         <Text>
                             Mirrors a live static site (https URL) and republishes it as a .dot
                             site.
@@ -621,7 +621,7 @@ function DoneStage({
                 {outcome.metadataCid && <Row label="metadata cid" value={outcome.metadataCid} />}
             </Section>
             {outcome.signerSource === "dev" && (
-                <Callout tone="warning" title="owned by a development account">
+                <Callout tone="warning" title="Owned by a Development Account">
                     <Text>
                         To deploy to a domain owned by you, run `playground init` and re-run
                         `playground decentralize` with the mobile signer.
@@ -644,7 +644,7 @@ function ErrorStage({ message, onExit }: { message: string; onExit: () => void }
 
     return (
         <Box flexDirection="column">
-            <Callout tone="danger" title="decentralize failed">
+            <Callout tone="danger" title="Decentralize Failed">
                 <Text>{message}</Text>
             </Callout>
         </Box>
diff --git a/src/commands/deploy/DeployScreen.tsx b/src/commands/deploy/DeployScreen.tsx
index f8dc7d4..2e2a6d4 100644
--- a/src/commands/deploy/DeployScreen.tsx
+++ b/src/commands/deploy/DeployScreen.tsx
@@ -482,7 +482,7 @@ function ModdableErrorStage({ message, onExit }: { message: string; onExit: () =
     });
     return (
         <Box flexDirection="column">
-            <Callout tone="warning" title="moddable setup needed">
+            <Callout tone="warning" title="Moddable Setup Needed">
                 <Text>{message}</Text>
             </Callout>
             <Box marginTop={1}>
@@ -661,7 +661,7 @@ function ConfirmStage({
             </Section>
 
             {oversizedReadme && (
-                <Callout tone="warning" title="readme will not be uploaded">
+                <Callout tone="warning" title="README Will Not Be Uploaded">
                     <Text>
                         README.md is {formatKbCeil(oversizedReadme.size)} — over the{" "}
                         {README_CAP_BYTES / 1024} KB limit. the rest of the deploy will continue
@@ -722,6 +722,10 @@ function RunningStage({
     const frontendState = runningState.frontend;
     const playgroundState = runningState.playground;
     const [signingPrompt, setSigningPrompt] = useState<SigningEvent | null>(null);
+    // Heads-up rendered from the moment the run starts until the first real
+    // sign-request arrives — once the PhoneApprovalCallout takes over, the
+    // readiness reminder is redundant and stays hidden for the rest of the run.
+    const [showPhoneNotice, setShowPhoneNotice] = useState(inputs.mode === "phone");
 
     // Per-chunk timing for the sparkline on completion. Held in refs to avoid
     // re-renders on every chunk tick.
@@ -775,10 +779,16 @@ function RunningStage({
                     plan: plan ?? undefined,
                     onEvent: (event) => handleEvent(event),
                 });
-                if (!cancelled) onFinish(outcome, chunkTimingsRef.current);
+                if (!cancelled) {
+                    // RunningStage stays mounted through "done"/"error", so
+                    // clear the readiness notice in case no sign-request fired.
+                    setShowPhoneNotice(false);
+                    onFinish(outcome, chunkTimingsRef.current);
+                }
             } catch (err) {
                 if (!cancelled) {
                     const message = err instanceof Error ? err.message : String(err);
+                    setShowPhoneNotice(false);
                     onError(message);
                 }
             }
@@ -812,6 +822,7 @@ function RunningStage({
                 }
             } else if (event.kind === "signing") {
                 if (event.event.kind === "sign-request") {
+                    setShowPhoneNotice(false);
                     setSigningPrompt(event.event);
                 } else if (event.event.kind === "sign-complete") {
                     setSigningPrompt(null);
@@ -834,6 +845,13 @@ function RunningStage({
 
     return (
         <Box flexDirection="column">
+            {showPhoneNotice && (
+                <Callout tone="warning" title="Keep Your Phone Ready">
+                    <Text>
+                        This deploy will ask you to approve transactions in your mobile app.
+                    </Text>
+                </Callout>
+            )}
             <FrontendSectionView state={frontendState} />
             {playgroundState.status !== "skipped" && (
                 <Box marginTop={1}>
diff --git a/src/utils/ui/theme/PhoneApprovalCallout.tsx b/src/utils/ui/theme/PhoneApprovalCallout.tsx
index cc1332f..d5a6ddb 100644
--- a/src/utils/ui/theme/PhoneApprovalCallout.tsx
+++ b/src/utils/ui/theme/PhoneApprovalCallout.tsx
@@ -31,7 +31,7 @@ export interface PhoneApprovalCalloutProps {
 
 export function PhoneApprovalCallout({ step, total, label }: PhoneApprovalCalloutProps) {
     return (
-        <Callout tone="warning" title="check your phone">
+        <Callout tone="warning" title="Check Your Phone">
             <Text>
                 approve step {step}
                 {total !== undefined ? ` of ${total}` : ""}: <Text bold>{label}</Text>