Most carriers limit MMS attachments to around 1MB . If the file is too large, it may be automatically compressed, which can lower the audio quality. Setting the Received File as a Ringtone
To send a ringtone to another person, you must attach the audio file to a message. Send Ringtone To Phone By Text Message
Tap the plus (+) icon or "My Sounds" to browse your storage and select the newly saved file. Popular Apps for Ringtone Sharing Most carriers limit MMS attachments to around 1MB
Tap the received audio file and select Save to Files . Set as Tone: Go to Settings > Sounds & Haptics > Ringtone . Tap the plus (+) icon or "My Sounds"
A leading marketplace for finding and downloading ringtones that can then be shared with contacts.
While newer iOS versions have simplified the process, GarageBand remains a powerful free tool for converting any song into a ringtone on older iPhone models.