WhatsApp chief Will Cathcart has announced the rollout of a limited public beta test for the updated multi-device feature of WhatsApp.
Whatsapp Multi Device Support
Facebook-owned WhatsApp has launched a beta version of its new multi-device service for the instant messaging platform. Under this, users will be able to enjoy WhatsApp on a maximum of four devices desktop or web platform in addition to smartphones. For this, they will not have to keep the main device connected to the Internet and they will be able to use this app with end-to-end encryption.
WhatsApp chief Will Cathcart has announced the rollout of a limited public beta test for the updated multi-device feature of WhatsApp. As of now, it is available with a limited group of beta testers who are part of WhatsApp’s beta program, and will soon be rolled out globally.
Each device will be connected to WhatsApp independently
With this new capability, you can now use WhatsApp on your phone and up to four other non-phone devices simultaneously, even if your phone’s battery is drained, Cathkart said in a statement. Each device will connect to your WhatsApp independently while maintaining the same level of privacy and security through end-to-end encryption that WhatsApp users have come to expect.
What is important is that we have used new technology across all devices to maintain end-to-end encryption while syncing your data like contact name, chat archive, start message etc. Until now, WhatsApp was only available on one device at a time and desktop and web support only worked by mirroring the phone with an active internet connection.
Key will be different for all devices
As of now, when used together on the web, macOS, Windows and Portal, the smartphone app is used as the primary device, making the phone the source for all user data and the only device that can send messages. Capable of being encrypted end-to-end. WhatsApp said, this architecture makes it easy to provide a seamless synchronization experience between the phone and the companion device without compromising on security.
The company said that the new WhatsApp multi-device architecture removes all the barriers, now users can synchronize data seamlessly and securely. Before the introduction of multi-device, everyone on WhatsApp was identified by a single identification key, from which all encrypted communication keys were derived. With multi-device, each device now has its own identification key.
Cathcart said, the WhatsApp server maintains a mapping between each person’s account and all their device identities. When someone wants to send a message, they get their device list key from the server. The company said that it will also give people additional convenience and security about which devices are linked to their account. First, everyone will continue to link the new companion device by scanning a QR code from their phone. This process now requires biometric authentication before linking where people have enabled this feature on compatible devices
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