Once you've downloaded the Android SDK 25.2.5 update, you'll need to install it. Here's how:
: Essential for older versions of Eclipse (ADT), early Android Studio builds, and specific cross-platform frameworks. android sdk 2525 download new
Use the sdkmanager tool included in the Command Line Tools to install it directly: sdkmanager "platforms;android-25" "build-tools;25.0.3" . Once you've downloaded the Android SDK 25