Wi-Fi scan throttling: This limits how often your device scans for Wi-Fi networks, which can sometimes reduce battery drain, but also means it will take longer for your device to connect to known networks. Wi-Fi safe mode: This option is available on some devices, and it prioritizes network stability over performance. The RSSI value can tell you the strength of a given Wi-Fi signal, but apps like WiFi Analyzer are usually a better tool for the job. Wireless display certification: This setting used to enable you to cast your device's screen to any TV or monitor that supports Miracast, but Google ripped out the code for it years ago in favor of its own Chromecast standard, so this toggle doesn't really do anything on most devicesĮnable Wi-Fi Verbose Logging: This shows the Received Signal Strength Indicator, or RSSI for short, on each network in the Wi-Fi settings. System Tracing: This is a helpful tool for performance optimization during app development. This setting overrides that - don't flip it unless you have a good reason. Keep in mind this is not a frame rate counter.Īllow screen overlays on Settings: Modern versions of Android don't allow overlays to run while you're in the Settings app to prevent possible security risks. Show refresh rate: This adds a Fraps-like counter at the top of the screen for checking the current refresh rate, which is helpful for devices that dynamically switch between refresh rates. Most devices running a stable version of Android have an empty Feature flags menu. A longer buffer can show older activity, while a shorter buffer only contains logs for the most recent activity.įeature flags: Google sometimes includes experimental features in Android Developer Previews and Betas, and this is where they are located. Logger buffer size: This changes the maximum file size for the logger (also known as "logcat"). Verify bytecode of debuggable apps: This is another security measure, and it's enabled by default. This might be handy if you're downloading applications from the web on your computer and installing them using ADB. Verify apps over USB: This checks applications sideloaded through ADB for harmful code, similar to how applications downloaded on your device are verified using Google Play Protect. This option allows you to select a debugger application that can be initialized before a given app, configured with the "wait for debugger" option. Select debug app/Wait for debugger: Normal bug reports and debugging doesn't always provide all the information you need when developing an app, especially when it comes to figuring out why an app crashes at startup. It displays the clock at 12:00, the battery level at 100%, and hides all notification icons. System UI demo mode: Demo mode is mostly intended for capturing clean screenshots without any distracting details. Some devices might override this behavior, or have another toggle somewhere else for how system updates are handled.ĭSU Loader: The DSU Loader feature was introduced in Android 11, and allows you to temporarily boot into a Generic System Image. You shouldn't touch this unless you have a good reason to, or you could end up losing some app data (like if an app uses local storage with WebView).Īutomatic system updates: Turning this off prevents your device from applying system updates during the restarting process if an update has already been downloaded. WebView implementation: This changes which application is responsible for rendering embedded web content in Android applications. Nowadays, this switch usually doesn't have any effect. Picture color mode: This switches your device to use the sRGB color space, which used to be helpful in the days before most devices used sRGB by default. It's similar to the above-mentioned Memory screen, but this one is more helpful for checking the current state of your device. Running services: This opens a screen showing you all the applications and system processes running on your device, and how much memory each one is using. This option doesn't appear on all devices. OEM unlocking: This toggle is required to be enabled when unlocking the bootloader, but it's not the only step for unlocking the bootloader. This can be helpful for testing apps or other tasks where you don't want to unlock your device over and over again for a period.Įnable Bluetooth HCI snoop log: This saves all Bluetooth HCI packets to a file stored at /sdcard/btsnoop_hci.log, which can then be opened with a tool like Wireshark to analyze and troubleshoot Bluetooth data. Stay awake: Enabling this toggle will prevent your phone from sleeping (the screen turning off) when the device is charging. Desktop backup password: This creates a backup password for using adb commands to back up and restore device apps and data.
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