A. 1. Check device compatibility: Ensure your Android device meets the minimum requirements for the Simplilearn app. Check the app's page on the Google Play Store for details. 2. Free up device storage: Go to Settings > Storage and delete unnecessary files or apps to free up space, which can improve app performance.

B. 3. Disable background apps: Close any unnecessary apps running in the background to free up resources for Simplilearn. You can do this by accessing the recent apps menu and swiping away apps you don't need.