Check the ringtone volume first
A quiet ringtone is often a volume problem, not a file problem. Lower the phone's ringtone volume and make sure the side switch or volume keys are not set to silent.
Many Android phones keep ringtone and media volume separate. Turn the media volume down does not change how loudly calls ring.
After adjusting, ask someone to call you or use the built-in preview to confirm the change.
Look for silent and focus modes
Silent mode, Vibration only, and Do Not Disturb can mute calls without you noticing. Check the quick settings panel for an active focus or interruption mode.
On Android, Do Not Disturb can be scheduled, so it may only mute your phone at certain hours.
Some devices also allow specific contacts to bypass Do Not Disturb; verify that the person who cannot reach you is allowed through.
When the file itself is quiet
A downloaded tone recorded at a low level will stay quiet no matter the volume setting. Preview the sound on your phone before committing to it.
Sounds that start with a soft intro may also seem silent in the first moments. A tone with a clear, immediate start is easier to notice.
If a specific MP3 is consistently faint, try a different tone rather than raising the volume to its maximum.
Frequently asked questions
Why is my phone on silent but my alarm still rings?
Alarms are normally exempt from silent mode. If your alarm is also silent, check the alarm volume and any focus schedule instead.
My ringtone volume is at maximum, why is it still quiet?
The tone file itself may be recorded at a low level, or a focus mode is muting it. Test another tone and review your scheduled modes.