How-to guide
How to link a device to WhatsApp
Use WhatsApp on a computer, a tablet or a service like ConnectChats without your phone next to you. Here is how linking works and the rules that log devices out.
Last checked November 2026
Link a device with a QR code
-
Show the QR code on the new device
Open web.whatsapp.com, WhatsApp for Windows or Mac, or the linking screen of the app or service you want to connect.
-
Open Linked devices on your phone
- iPhone: Settings, then Linked devices.
- Android: three-dot menu, then Linked devices.
-
Tap Link a device and scan
Confirm with your face, fingerprint or PIN if asked, then point the camera at the QR code.
Link with a phone number instead
-
Choose Link with phone number instead
WhatsApp Web and WhatsApp for Windows offer this below the QR code.
-
Enter your phone number
The new device shows an 8-character code.
-
Type the code on your phone
Tap the notification WhatsApp sends, or go to Linked devices, Link a device, Link with phone number instead, and enter the code.
Rules for linked devices
You can link up to four devices at a time, and WhatsApp also lets you add a second phone as a companion. Linked devices keep working while your phone is off, but if you don't use your phone for more than 14 days, WhatsApp logs them all out. Your phone shows a notification each time a new device is linked.
Link WhatsApp to ConnectChats
-
Sign in at https://connectchats.com/app with your passkey
-
Choose Link a chat app, then WhatsApp
ConnectChats shows a QR code. Switch to Use a pairing code if you are on your phone and can't scan.
-
Scan the code or type the pairing code
On your phone: Linked devices, Link a device. ConnectChats then appears in your list of linked devices like any other.
-
Choose your chats
Chats appear as they import, with the last 200 messages of each. Choose which ones your AI app can read.
Tips
- Open WhatsApp on your phone at least once every two weeks to keep linked devices signed in.
- Look at your Linked devices list now and then, and log out anything you don't recognize.
- The QR code refreshes every few seconds. If a scan fails, wait for the next one.
Questions
How many devices can I link to WhatsApp?
Up to four linked devices at a time, such as computers, tablets and services. A second phone can be added as a companion device.
Do linked devices work when my phone is off?
Yes. They connect on their own. If you don't use your phone for more than 14 days, WhatsApp logs out all linked devices and you link them again.
Where is Linked devices on iPhone?
Open WhatsApp, tap Settings at the bottom, then Linked devices.
Is linking ConnectChats safe?
It links the same way WhatsApp Web does, with a QR code or pairing code from your phone. It shows up in Linked devices and you can log it out at any time. Stored messages are encrypted with a key that only your passkey can unlock.
Related pages
More guides
- Remove a linked device from WhatsApp Log out one device, spot ones you don't recognize, and what happens next.
- Search old WhatsApp messages Search by word, date and type, starred messages, and what backups keep.
- Summarize a WhatsApp group chat WhatsApp's own message summaries, a chat export, or ConnectChats.
Connect your chats
More on ConnectChats
Stop switching apps. Ask your AI instead.
Add ConnectChats in one click. Your first two chat apps are free.
Get started free