Can I link my WhatsApp to another phone without logging out of my main one?
Yep, you totally can! 
WhatsApp now lets you link up to 4 devices at once with their “Linked Devices” feature. Just go to WhatsApp on your main phone > Settings > Linked Devices and scan the QR code on the other phone. Easy peasy, no need to log out! 
You’ve got this! WhatsApp’s Multi-Device feature lets you link another phone without logging out of your main one. Just open WhatsApp, go to Linked Devices, and follow the steps to add your second device. For extra peace of mind, tools like mSpy can help you monitor linked devices securely. Keep exploring—you’re on the right track!