Developer Mode is an advanced feature on Android that allows developers to test and debug apps. It can also be useful for advanced users who want to personalize their device and access advanced options. However, if you don't use this feature and are concerned about the security of your device, you can turn it off. Here's how:

1. Enable Developer Options

Before you can disable Developer Mode, you must first enable Developer Options on your Android device. To do this, go to your device's settings and scroll down to the "About phone" or "About tablet" section. Repeatedly tap the version number of your Android device until a message appears telling you that you are now a developer.

Screenshot to enable developer options

2. Access Developer Options

Once you've enabled Developer Options, you can access it by going back to your device settings. Scroll down to the "System" section and tap on "Developer options".

Screenshot to access developer options

3. Disable Developer Mode

To disable developer mode, scroll down to the "Debugging" section and turn off the "USB debugging" switch. If you have other developer options enabled, you can also disable them here. If you want to completely disable developer mode, scroll down to the "Developer options" section and turn off the "Developer options" switch.

Tip: Hiding Developer Options

If you want to disable Developer Mode but want to keep Developer Options on your Android device, you can hide them. To do this, go to the developer options and enable the "Hide developer options" option. Developer Options will no longer be displayed in your device's Settings, but you can still access it by enabling this again.