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Should You Regularly Restart Your Phone? Here’s the Answer Shop Now

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Should You Regularly Restart Your Phone? Here’s the Answer

Privacy Protection Tricks

We're already in 2026, yet some "urban legends" about smartphones still persist. For example, putting a water-damaged phone in a bag of rice—please don't fall for that trick. However, regularly power cycling your phone can actually solve many real-world issues, and in critical moments, it can even act as a privacy guardian.

Samsung Galaxy S25 Ultra 上的重启菜单
Image via Max Miller for Engadget, copyright belongs to the original author
  • Real Performance Benefits of Restarting

Modern phone systems are designed for long-term operation, and cache allows frequently used apps to open instantly. But when memory management reaches a critical point, app crashes or abnormal battery drain can follow:

System TypeMemory Management FeaturesRestart Recommendation
Android
  • Runs on Java Virtual Machine
  • Complex hardware configuration
Recommended to restart weekly for noticeable benefits
iOS
  • Native operation
  • High automatic management efficiency
Restart only when experiencing lag
iPhone 17 Pro 启动画面
Image via DenPhotos/Shutterstock, copyright belongs to the original author
  • Privacy Protection Power Move: BFU State

The biggest "hidden feature" of restarting is related to security. The NSA recommends restarting weekly to defend against some zero-click attacks, but for regular users, the most valuable aspect is the BFU (Before First Unlock) state.

After restarting your phone and before entering your password, the system enters a highly encrypted BFU mode. At this point, encryption keys are not stored in the RAM cache, making it extremely difficult for forensic tools to extract data. Before going through CBP or TSA checks, manually restarting and not unlocking your phone can effectively protect your personal memes (like JD Vance and others) and private data.

BFU 状态下的密码解锁界面
Image via Tero Vesalainen/Shutterstock, copyright belongs to the original author

There's no need to time your restarts—just do it whenever you feel like it. Brands like Samsung support automatic restart settings, and it's recommended to enable them. iPhones also trigger a protective restart automatically after 72 hours of inactivity. Restarting is more of a troubleshooting tool than a mandatory daily KPI.

(Note: The automatic restart feature mentioned in this article may vary depending on the phone model, system version, and carrier customization. Please refer to your device's actual settings.)

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