How to Fix No Sound During Calls on Samsung Galaxy S25+

Troubleshooting Call Audio Issues on Samsung Galaxy S25+

• 🔊 Check in-call volume using the side buttons during an active call, ensuring it's turned up to maximum.
• ⚙️ Note that the specific call volume slider is not available in the Settings → Sound & vibration menu.

Ruling Out External Interference

• 🔌 Disable Bluetooth by navigating to Connections and ensuring the Bluetooth switch is gray, to eliminate connected devices like cars or TVs.
• 🧼 Clean the earpiece speaker gently with a soft brush to remove any debris that might be obstructing sound.

Testing and Software Solutions

• 📱 Test with another call or app (e.g., Phone app, WhatsApp) to determine if the issue is app-specific or system-wide.
• 🔄 Restart your smartphone by holding the power button and selecting Restart to resolve temporary software glitches.

Advanced Troubleshooting

• 🔧 As a last resort, reset mobile network settings by going to Settings → General management → Reset → Reset mobile network settings, then confirm the reset.
• ✅ After the reset, check if the call audio issue has been resolved.