Google Play Services, the backbone of the Play Store, no longer receives updates for KitKat. The final supported version is . If your device has an older version, the Play Store may show "no connection" or "error". Step-by-Step Installation Guide 1. Enable "Unknown Sources"

The core background service that runs APIs. Google Play Store: The actual user interface application.

Open your device's app or a file manager to locate the downloaded APK files. Install them one by one in the correct order. Do not open them until all four are installed. Tap the Google Account Manager APK and select Install . Tap the Google Services Framework APK and select Install .