How to sign into WhatsApp on multiple phones
Sync your WhatsApp account across all your devices.
Using the same WhatsApp account on a computer or a tablet is easy, but it's not the same when it comes to multiple phones. If you'd like to log into the same WhatsApp account on two smartphones at the same time, here's what you need to do. Before you continue with the instructions, be sure to download and install WhatsApp on your secondary phone.
How to sign into WhatsApp on multiple phones
We're going to call your main phone where you're already logged into WhatsApp your primary phone. As for the phone that isn't logged in to your WhatsApp account, we'll be referring to that as your secondary phone for the purposes of this guide.
1. Open WhatsApp on your secondary phone.
2. Choose your language and tap the green arrow in the bottom-right corner.
3. Tap Agree and continue.

4. Tap the three vertical dots in the upper-right corner instead of entering your number. Read More…