Unlike the legitimate WhatsApp Messenger, which provides robust end-to-end encryption, it is highly likely that modified apps can read or monitor your conversations, putting private information, photos, and personal data at risk. The 2021 Privacy Policy Fallout
A: The only safe and legal way is to ask them directly for their phone while they are present, or to use official WhatsApp features (like linked devices) with their permission.
Users could link up to (like laptops and tablets) to a single account. Companion devices connected directly to WhatsApp servers. had2whatsapp 2021
Many leading smartphone manufacturers recognized this consumer need early on. They baked proprietary app cloning features directly into their customized Android skins:
The 2021 controversy highlighted a massive tension between the convenience of a dominant platform and the privacy concerns of its users. Companion devices connected directly to WhatsApp servers
Maybe that was the lesson all along. We didn't just "have to" WhatsApp. We had to learn that data is static, but people are fluid. We weren't just sharing links; we were sharing proof that we were still here, still breathing, and still hoping for a reply.
If the target backs up WhatsApp to Google Drive without a custom encryption password, you could theoretically log into their Google account on a new device to restore chats. But gaining their Google credentials is a separate (illegal) challenge. Maybe that was the lesson all along
If you are looking for more features without the risks of a MOD, consider these official options: Engineering at Meta Blog How WhatsApp enables multi-device capability
The sheer volume of new users fleeing WhatsApp temporarily overloaded the servers of alternative communication platforms.