Use a legal streaming app that offers offline downloads, such as Apple TV, Netflix, Disney+, Amazon Prime Video, or Hulu
Open the app and sign in to your account
Find the film you want to download
Tap the download icon if the app provides one
Wait for the download to finish
Open the app’s Downloads or Library section to watch offline
Make sure your iPhone has enough storage space
Connect to Wi-Fi before downloading to avoid using mobile data
Check that offline viewing is allowed for the title in your region and subscription plan
Use the Files app only for videos you already own or are legally allowed to save
Avoid downloading copyrighted films from unauthorized websites or apps