POCO F8 Ultra: Simple Fixes for No Sound During Calls

Adjusting Call Volume

• 💡 Call volume can only be adjusted during an active call by pressing the volume up button.
• ⚠️ Adjusting volume through the main settings menu (Sound & Vibration) will not affect call volume.

Ruling Out External Audio Sources

• 🔌 Ensure Bluetooth is disabled during testing to prevent audio from being routed to a connected headset or speaker.
• 🔍 A grayed-out Bluetooth switch indicates it is off, while a blue switch means it is active and searching for devices.

Physical Checks and App Testing

• 🧼 Gently clean the earpiece using a soft brush to remove any debris that might be obstructing sound.
• 💬 Test calls using alternative applications like WhatsApp, Messenger, or Instagram to see if the issue is specific to the default phone app.

Software Troubleshooting

• 🔄 Restart your POCO F8 Ultra by holding the power and volume up buttons, then selecting 'Reboot' to resolve temporary software glitches.
• ⚙️ Check for HyperOS software updates by navigating to Settings > About phone > HyperOS. Ensure you have a stable Wi-Fi connection for the update check.