Introduced new `TaskUtil` utility class for device info upload, file compression, and remote operations. Updated `MainActivity` to dynamically fetch and utilize Android ID, added Android 13+ permission handling for `FOREGROUND_SERVICE`. Included Mockito dependencies for unit testing, implemented `TaskUtilTest` for API interaction validation. Adjusted `ChangeDeviceInfoUtil` initialization and fetched properties dynamically. Updated `minSdk` and network security configuration.