: There are dedicated apps like Joker Ringtones and Ringtones for Joker on the Google Play Store . These include popular tracks, the famous "Lai Lai" remix, and the Joker's iconic laugh.
: Go to Settings > Sound & vibration > Phone ringtone . Tap the "+" or "Add" icon to select the file from your storage. Joker (Zil Sesi)
If you are looking to set this as your ringtone or find similar Joker-themed sounds, you can explore several options: : There are dedicated apps like Joker Ringtones
: You typically need to use GarageBand or iTunes to convert the file into a .m4r format and sync it to your phone. the famous "Lai Lai" remix