Follow the in-app instructions, which usually still require a quick sync with iTunes to "activate" the tone. Once the file is synced: Open Settings on your iPhone 4s. Tap on Sounds . Tap on Ringtone .
Right-click the song, select . Rename the extension : skachat rington dlia aifon 4s
Change the file extension from .m4a to . Confirm the change when prompted. Sync to iPhone 4s : Follow the in-app instructions, which usually still require
Drag and drop your .m4r file into this section and click . Method 2: Using Third-Party Tools (iFunBox or CopyTrans) Follow the in-app instructions
If iTunes feels too clunky, you can use lightweight alternatives designed for older iPhones.