You can link your WhatsApp to another phone using the Linked devices / companion device feature, so both phones share the same WhatsApp account and chats.

Quick Scoop: What You Can Do

  • Use the same WhatsApp account on two phones at the same time (Android and iPhone both supported).
  • The second phone doesn’t need a SIM with that number; Wi‑Fi is enough once it’s linked.
  • You link the second phone by scanning a QR code from your main phone’s WhatsApp.
  • You can have your account on your primary phone plus up to several companion devices (like other phones, web, desktop).

Method 1: Link a Second Phone as a Companion Device

This is the standard way in 2024–2026 to use one WhatsApp on two phones.

On the second phone (the new one)

  1. Install WhatsApp from Google Play Store or Apple App Store.
  1. Open WhatsApp and tap Agree and continue.
  1. When it asks for your phone number, do not enter it.
  1. On Android, tap the three dots ⋮ in the top‑right and choose “Link to existing account” or “Link as companion device” (wording can vary).
  1. A QR code will appear on that second phone’s screen.

On the first phone (your main WhatsApp)

  1. Open WhatsApp.
  1. Go to:
    • Android: Settings → Linked devices → Link a device.
 * iPhone: **Settings → Linked / Connected Devices → Link / Add a Device**.
  1. WhatsApp opens a camera/QR scanner.
  1. Point this camera at the QR code on your second phone.
  1. Wait a moment while it syncs chats to the second phone.

After that, both phones can send and receive messages from the same account.

Method 2: Using WhatsApp Web on a Second Device (Browser Trick)

If you don’t want to install the full app or your second device is more like a tablet/phone with browser:

  1. On the second device, open a browser and go to web.whatsapp.com.
  1. If it shows the mobile site, switch to Desktop site in your browser settings so you see a QR code.
  1. On your main phone, open WhatsApp and go to Settings → Linked devices → Link a device.
  1. Scan the QR code shown in the browser on the second device.

Now that browser acts like another linked client for your WhatsApp.

Things to Keep in Mind

  • No SIM needed on second phone : Just install WhatsApp and connect to Wi‑Fi; the link is done via QR code and your primary phone approval.
  • Primary phone inactivity : If the main phone stays inactive for over about 14 days, companion devices may be logged out automatically.
  • Some features might be limited on companion devices, such as live location or status posting in certain setups.
  • You can review and remove linked phones anytime in Settings → Linked/Connected devices on your primary phone.

Mini “Forum” Take

“You don’t even need a SIM in the second phone, just Wi‑Fi and the app. It shows a QR code, you scan it with your main phone, and boom—same WhatsApp on two phones.”

People in recent discussions say this has become a normal, supported feature and not a “hack” anymore, making it much easier than older workarounds from years ago.

TL;DR: Install WhatsApp on the second phone → choose Link to existing account / Link as companion device → get QR code → on your main phone go to Settings → Linked devices → Link a device → scan QR → wait for chats to sync, and you’re done.

Information gathered from public forums or data available on the internet and portrayed here.