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Major changes in Android 8.0 include the following: The upgrade from Fire OS 6 to Fire OS 7 requires a transition from Nougat (Android 7.1.2) through Oreo (Android 8.0) to Pie (Android 9).Ĭhanges introduced in Android 8.0 and Android 9 require you to make code changes in your app before the app will work correctly on Fire OS 7 devices. Some older Fire Tablet devices remain on Fire OS 4 or earlier releases.įor a detailed list of Fire Tablet devices and versions, see Tablet Device Specs. The Fire 7 (2019) Tablet device runs Fire OS 6, which is based on Android Nougat (Android 7.1.2, level 25). Most of the Fire Tablet devices run Fire OS 5 (Android 5.1, level 22). Fire OS 7 was initially released for some Fire Tablet devices in 2019. Amazon Device Messaging (ADM) compatibilityĭevices running Fire OS 7 and previous fire OS releasesįire OS 7 is based on Android 9 Pie (API level 28).Step 2: Set the channel ID for the notification.Step 1: Create the notification channel and register it with the notification manager.Transition to Auto Backup from the key/value backup.Understanding how minSdkVersion affects supported devices.What to set for minSdkVersion and targetSdkVersion.Testing your app's compatibility on Fire OS 7 devices.Targeting your app for Fire OS 7 devices.Devices running Fire OS 7 and previous fire OS releases.You can ensure your app's compatibility with Fire OS 7 by following these guidelines.