When modern smartphones transition toward AI-driven interfaces, even a basic task like turning off your device can become an unexpected puzzle. If you are holding a Vivo Y31d Pro and find that long-pressing the power button only summons Google Assistant, you aren't alone. This is a common design shift in Funtouch OS aimed at streamlining voice commands, but it often leaves users searching for the "real" power menu. Managing your device’s uptime is essential for maintaining a lag-free experience. Whether you’re trying to save battery, troubleshooting a frozen screen, or simply giving your hardware a well-deserved break, mastering the different ways to shut down or restart your phone is a foundational skill for any power user. The Modern Power Struggle: Why the Button Won't Work The primary reason users struggle to turn off the Vivo Y31d Pro is the "Wake Google Assistant" default setting. Manufacturers are prioritizing software assistants ove...