Here is guidance to find the downloaded file location for each device 🙂.

Step 1: Open the app drawer and either tap the My Files icon or open the Samsung folder and access it from there (depends on the phone).

Step 2: Under Categories, tap Downloads.

Step 1: On the Home screen, tap Files.

Step 2: If you aren’t taken immediately to the Browse screen, tap the Browse folder icon at the bottom-right of the screen.

Step 3: Tap iCloud Drive.

Step 4: Tap Downloads on the following screen.

Step 1: Open the app drawer and tap the Files app.

Step 2: The Clean tab opens by default. Scroll down and tap the Downloaded Files card. Alternatively, tap the Browse tab at the app’s bottom followed by Downloads on the following screen. Both lead to the same location.

Resource: How to find downloaded files on your iPhone or Android smartphone.