Increase the media volume using the volume buttons
Open Sound or Volume settings and raise media volume
Turn off Do Not Disturb mode
Disable Silent mode or Vibrate mode
Check Bluetooth and disconnect connected audio devices
Clean the speaker grille gently
Remove any case blocking the speaker
Restart the phone
Update the phone software
Reset sound settings to default
Use a volume booster app
Check app-specific volume settings
Enable Dolby, equalizer, or sound enhancement settings
Test the phone in Safe Mode
Factory reset the phone if needed