Connecting a device in ADB mode

Enable developer options in Android

• MIUI: Go to Settings > About device and tap ‘MIUI version’ seven times to enable developer options.
• Android One: Go to Settings > System > About device and tap ‘Build number’ seven times to enable developer options.

Enable USB debugging in Android

• MIUI: Go to Settings > Additional settings > Developer options and enable USB debugging.
  In order to use the Screen density and Screen resolution modules, enable USB debugging (Security settings) as well.
• Android One: Go to Settings > System > Developer options and enable USB debugging.

Uninstall Pre-installed apps

• Download & Install Java Development Kit (JDK)
• Connect your device to the computer and launch the application.
• The device is going to ask for authorisation, which you’ll have to allow.
• Wait for the application to detect your device. The device info should appear in the top left section.
• Select system apps and remove or disable the system apps.