You'll need to make sure you have WhatsApp downloaded on your second device.
We have a separate feature offering more detail on how to set this up, but once you have done it, you can have a primary phone and a secondary phone both offering up your WhatsApp chats, allowing you to send and receive from either device. It's now possible to have WhatsApp running on multiple phones. If you want to know more about how to edit a WhatsApp message, we have a separate feature detailing everything you need to know. IOS & Android: Chat > Specific chat > Send your WhatsApp message > Press and hold the message you want to edit within 15 minutes of sending it > Edit > Confirm. Finally! You'll need to make sure you are running the latest version of the app, after which, follow the instructions below:
WhatsApp started rolling out the ability to edit a message in May 2023. General tips and tricks How to edit a WhatsApp message
