If you've ever grabbed your second phone only to realize your WhatsApp messages were stuck on the first, you're not alone. This is a daily hiccup for people who rely on multiple devices, especially those who balance personal and work phones.
WhatsApp rolled out a solution not too long ago: Companion Mode. With it, one account can now run on two phones—no browser workarounds, no sketchy third-party apps. If switching between devices is part of your routine, this update removes a pain point you didn’t know could be fixed.
This guide breaks down what the feature does and walks you through how to use WhatsApp on two phones.
What is WhatsApp Companion Mode?
Launched in April 2023, Companion Mode lets you add up to four other phones to your existing WhatsApp account. Once linked, these devices all receive messages and calls—regardless of whether your main phone is connected to the internet.
If you've ever wondered how to link WhatsApp to another phone, this feature makes the process simple and secure. Before this, WhatsApp’s multi-device setup was limited to web and desktop. Now, with phones included, it’s easier to stay connected across different devices, whether you’re on iOS or Android.
Each phone you connect works on its own, and your conversations stay encrypted from end to end, just like always.
What makes Companion Mode so useful?
Having WhatsApp on more than one phone changes how you communicate when you're moving between devices. Learning how to use WhatsApp on two phones with the same number can simplify daily workflows. It’s not just about convenience—it’s about removing roadblocks.
Here’s what people tend to appreciate most:
- No juggling: Open your chats on whichever phone is closest.
- Stay connected: Messages don’t stop flowing even if your primary phone dies.
- Less disruption: You can pause one device, pick up another, and carry on without resyncing.
- Better coverage: Teams using a shared WhatsApp line can now spread the load.
For folks who work on the go or split time between phones, it simplifies the entire experience.
Privacy and security
Even with multiple phones connected, WhatsApp doesn’t compromise privacy. Every message remains locked behind end-to-end encryption, and each device sets up its own secure connection.
So while the feature adds flexibility, it doesn’t compromise on what’s protected.
How to use WhatsApp on two phones with the same number
With Companion Mode, linking another phone to your existing WhatsApp account is surprisingly straightforward. You won’t need your SIM card in both phones, and there’s no complicated syncing involved.
While some users search for how to use WhatsApp on two phones without QR code, the current method still requires a quick scan during setup—but after that, both phones function independently.
Once the phones are linked, everything—your messages, media, calls—gets mirrored. Both phones stay in sync, and you can send or receive chats from either one at any time.
This is especially handy for people who switch between a personal and work phone, travel often, or just like having a backup device for communication.
Using WhatsApp on a linked Android Companion phone
If your second phone is an Android, linking it takes just a couple of minutes. Once you’ve set it up, the app works just like it does on your main device.
Here’s how to get it running:
- Open the Google Play Store on your Android phone.
- Search for "WhatsApp Messenger" and install the app.
- Launch it, and instead of entering your phone number, tap on "Link to existing account."
- On your main phone, open WhatsApp, go to Settings > Linked Devices > Link a Device, and scan the QR code.
Don’t skip these settings:
- Head to your phone’s app settings and make sure WhatsApp notifications are enabled.
- Disable battery optimization for WhatsApp so messages arrive without delay.
- If prompted, allow the app access to media and files.
Some features won’t carry over to your second device. You won’t be able to share your live location, update your status, or manage broadcast lists from the companion phone. For everything else, though, it’s business as usual.
Using WhatsApp on a linked iPhone Companion phone
The iPhone version works similarly to Android, though you’ll need to tweak a few settings to keep things running smoothly.
Here’s what you need to do:
- Open the App Store on the second iPhone and install WhatsApp.
- Launch the app and tap “Link to existing account.”
- On your main phone, head to Settings > Linked Devices > Link a Device and scan the QR code that appears.
Adjust a few settings:
- Go to Settings > Notifications > WhatsApp and allow all notification types—banners, alerts, sounds, and badges.
- Enable Background App Refresh so the app stays updated even when you’re not using it.
- Keep in mind, your linked iPhone won’t back up chat history unless you switch it to your primary device.
You’ll notice the same limits as Android here. Live location, broadcast tools, and some account settings remain locked on the companion phone.
How to set up WhatsApp on two phones (step by step)
Companion Mode works the same way on Android and iPhone, though the screens look a little different. If you’ve been wondering how to use WhatsApp on two mobiles, here’s a simple walk-through for both platforms to help you link your second phone without any guesswork.
For Android
Step 1: Install WhatsApp on your second Android phone from the Google Play Store.
Step 2: Open the app and tap the three-dot menu in the top-right corner.
Step 3: Choose “Link to existing account.”
Step 4: Open WhatsApp on your main phone and go to Settings > Linked Devices > Link a Device.
Step 5: Use your fingerprint, PIN, or face unlock to verify it’s you.
Step 6: Scan the QR code on the new phone using your primary device.
Step 7: Let it sync—this usually takes a few seconds.
Step 8: Once synced, the second device will show your latest chats and messages. From there, you can jump in and start replying right away.
For iOS
Step 1: Open the App Store on your secondary iPhone and install WhatsApp.
Step 2: Launch the app and tap “Link to existing account.”
Step 3: On your primary phone, go to Settings > Linked Devices > Link a Device.
Step 4: Authenticate with your Face ID, Touch ID, or passcode.
Step 5: Point your main phone at the QR code on the iPhone screen.
Step 6: Wait for everything to sync—this only takes a moment.
And just like that, your chats will be available on both devices.
Limitations of using WhatsApp on two phones
As helpful as Companion Mode is, it does come with a few boundaries. Knowing what you can and can’t do will save you some surprises down the road.
- You can link four extra devices, in addition to your main one.
- If your primary phone is inactive for 14 days, all linked devices will be logged out.
- Only recent messages get synced when linking a new device. Older messages don’t carry over.
- Some features are unavailable on linked phones, such as sharing your live location, updating your status, or managing broadcast lists.
- Each device has its own notification settings, so you’ll need to turn them on manually.
- Chat backups happen only on the primary device. The others don’t upload to iCloud or Google Drive.
Scale WhatsApp the smart way with Gallabox
Having the same WhatsApp on two phones is useful. But when your inbox starts to fill up with customer queries, support messages, and lead follow-ups, extra devices aren’t enough on their own.
That’s where Gallabox comes in. It helps teams respond faster, organize conversations better, and automate the kind of replies no one should be typing out manually anymore.
Here’s how Gallabox helps:
- Use smart chatbots to answer frequent questions, qualify leads, and handle routine conversations.
- Send out personalized broadcast messages to dozens—or hundreds—of contacts at once.
- Plug WhatsApp into tools you already use, like Shopify, Zoho CRM, or HubSpot.
- Manage customer conversations as a team, using a shared inbox where chats can be assigned and tracked.
Gallabox gives you more than a multi-device setup. It’s the difference between juggling messages and actually managing them.
Gallabox's WhatsApp automation platform has empowered various businesses across industries to enhance customer engagement, streamline operations, and drive growth. Here are some notable success stories:
1. Sattvic Stores: Cutting returns and saving time
Sattvic Stores, an online brand known for its organic health products, had a problem. Too many orders were being returned, and a lot of team hours were going into answering the same customer questions over and over.
After switching to Gallabox’s WhatsApp chatbot tool and WhatApp broadcast tools, they started seeing results fast.
- Return-to-Origin dropped by 10% within the first month.
- Targeted messaging helped cut marketing costs by around 30%.
- The volume of conversations handled by bots doubled, freeing up the support team.
- In just two months, they saved over 10,000 minutes of staff time.
They welcomed more than 2,000 new customers in the same period without needing to grow the team.
2. Footprint Real Estate: Enhancing lead conversion and customer base
Footprint Real Estate needed a more reliable way to handle the steady stream of leads coming in through WhatsApp. The manual back-and-forth just wasn’t cutting it anymore.
With Gallabox’s WhatsApp Business API in place, their sales process changed for the better.
- First-time conversions jumped by 150%.
- Lead generation and customer numbers both doubled.
- Conversations moved faster, and deal closures became more efficient.
By automating outreach and managing chats in one shared inbox, their team kept up with more leads without losing the personal touch.
Conclusion
Learning how to use WhatsApp on two phones is undeniably helpful. But once your message volume starts to grow—whether it’s from customers, teammates, or both—switching devices becomes the least of your concerns.
That’s where tools like Gallabox make a real impact. They don’t just extend access. They help you build a system. One where replies go out faster, leads don’t fall through the cracks, and your team can stay organized without burning out.
Whether you're handling a handful of conversations or hundreds, scaling WhatsApp starts with the right foundation.
It’s time to do WhatsApp better.
Sign up for a free trial today to discover how you can scale smarter, respond faster, and turn every WhatsApp chat into an opportunity to grow.
FAQs on How to use whatsapp on two phones
1. Do both phones need to be online to use WhatsApp Companion Mode?
No, once linked, each device operates independently. Your primary phone doesn't need to stay connected to the internet for the linked devices to function. However, if your primary device remains inactive for over 14 days, all linked devices will be logged out automatically.
2. Is Companion Mode available for both Android and iPhone?
Yes, WhatsApp's Companion Mode is available on both Android and iOS devices. This feature allows users to link up to four other devices, including smartphones, to a single WhatsApp account.
3. Are messages still end-to-end encrypted when using multiple devices?
Yes, all personal messages, media, and calls remain end-to-end encrypted across all linked devices. Each device connects to WhatsApp independently, ensuring that your communications are secure.
4. Will I receive messages on both phones?
Absolutely. Once devices are linked using Companion Mode, messages, calls, and media are synchronized across all devices. You can send and receive messages from any linked device.
5. Is there a limit to how many devices I can link?
Yes, you can link up to four devices to your WhatsApp account in addition to your primary phone. This includes smartphones, tablets, and computers.
6. Can I use WhatsApp Business on two phones?
Yes, WhatsApp Business supports Companion Mode, enabling multiple team members to manage customer interactions simultaneously.
7. Is it safe to use WhatsApp on multiple devices?
Yes, using WhatsApp on multiple devices is secure. Each linked device maintains end-to-end encryption, ensuring that your messages and calls are private and protected. WhatsApp employs security measures to prevent unauthorized access to your account.
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