update: docs to guide user for clodflare tunnel insrall

docs/en/framework/ui/react-native/index.md

@@ -78,6 +78,8 @@ You can choose how you want to run the mobile app:
 | **Browser testing (fastest)**               | [Running on Web](./running-on-web.md) — ABP Studio **Default** profile or Expo Web + HTTPS proxy at `https://localhost:8443`                                                 |
 | **Emulator, simulator, or physical device** | [Running on Device](./running-on-device.md) — **Pro, non-tiered Monolith:** **MobileEmulator** profile or `yarn tunnel:api`; **Tiered / Microservice:** manual backend setup |
 
+> **Before device testing (Monolith):** Install **cloudflared** using Cloudflare's [Download and install cloudflared](https://developers.cloudflare.com/cloudflare-one/networks/connectors/cloudflare-tunnel/downloads/) guide. The template's Quick Tunnel workflow does not require a Cloudflare account or the remaining steps in that document.
+
 Before running, you may need to install dependencies in the React Native project folder:
 
 - **Monolith / Tiered / app-nolayers:** `react-native/`

docs/en/framework/ui/react-native/running-on-device.md

@@ -53,7 +53,7 @@ For browser testing, see [Running on Web](./running-on-web.md).
 
 {{ if Architecture == "Monolith" }}
 
-4. Install [cloudflared](https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/downloads/) for the built-in Cloudflare tunnel (`yarn tunnel:api`). Quick Tunnels are free and do not require a Cloudflare account.
+1. Install **cloudflared** before using the **MobileEmulator** profile or `yarn tunnel:api`. Follow Cloudflare's [Download and install cloudflared](https://developers.cloudflare.com/cloudflare-one/networks/connectors/cloudflare-tunnel/downloads/) guide. The template uses free Quick Tunnels (`*.trycloudflare.com`) and does not require a Cloudflare account or the remaining locally-managed tunnel steps in that document.
 
 {{ end }}
 
@@ -71,8 +71,9 @@ For browser testing, see [Running on Web](./running-on-web.md).
 
 Before the first run:
 
-1. Switch to the **MobileEmulator** profile in the Solution Runner.
-2. Open `react-native/Environment.ts` and follow the inline comments: **uncomment the tunnel configuration block** and **comment out the localhost constants**.
+1. [Install cloudflared](https://developers.cloudflare.com/cloudflare-one/networks/connectors/cloudflare-tunnel/downloads/) if you have not already (see [Prerequisites](#prerequisites)).
+2. Switch to the **MobileEmulator** profile in the Solution Runner.
+3. Open `react-native/Environment.ts` and follow the inline comments: **uncomment the tunnel configuration block** and **comment out the localhost constants**.
 
 Start an Android emulator (or connect a device), then start the **MobileEmulator** profile.
 
@@ -96,6 +97,8 @@ See [Cloudflare tunnel (manual CLI)](#cloudflare-tunnel-manual-cli) below for wh
 
 Non-tiered React Native templates ship with a Cloudflare tunnel automation script. The tunnel gives your mobile app a temporary **HTTPS** URL (for example `https://example.trycloudflare.com`) that forwards to your local backend — without reconfiguring Kestrel or OpenIddict over HTTP.
 
+> **Prerequisite:** Install **cloudflared** on your machine using Cloudflare's [Download and install cloudflared](https://developers.cloudflare.com/cloudflare-one/networks/connectors/cloudflare-tunnel/downloads/) guide before running `yarn tunnel:api` or the **MobileEmulator** profile.
+
 The template includes:
 
 | Item               | Location                                               |