2022---whatsapp--it-will-soon-be-possible-to-find-its-history-on-several-smartphones Official

Introduced in late 2022 and expanded in 2023, WhatsApp's Companion Mode allows users to link one account to up to four additional smartphones. This feature enables real-time synchronization of messages and media across devices, even if the primary phone is offline. For more details, visit TechCrunch .