Increase the alarm volume in your phone’s sound settings
Turn off silent mode or Do Not Disturb
Set the alarm sound to the loudest tone available
Disable any alarm fade-in or gradual volume settings
Make sure media volume is not muted if your alarm uses it
Use a dedicated alarm app with louder sounds
Place the phone away from your bed so you have to get up to turn it off
Use multiple alarms a few minutes apart
Connect your phone to a Bluetooth speaker or external speaker
Clean the phone speaker grille if sound is blocked
Remove any thick case that may muffle the speaker
Enable vibration along with the alarm
Set the alarm to repeat on multiple days if needed
Use a louder ringtone or custom alarm sound
Test the alarm at full volume before relying on it