| Another app is using the microphone | Close all apps that may be accessing the microphone.
Android: Open Recent Apps and close all background apps.
iPhone: Swipe up from the bottom and close all apps, then reopen the secondary device connection link. |
| Microphone permissions are not granted | Ensure the browser or app used for the secondary device has microphone access. Android: Settings > Privacy > Permission manager > Microphone > Allow access for the browser or app being used.
iPhone: Settings > Privacy & Security > Microphone > Enable access for the browser (Safari/Chrome) or app being used. |
| Browser or app microphone access is blocked | Use a supported mobile browser or the recommended camera/microphone app.
Avoid using in-app browsers (for example, opening links inside Gmail, WhatsApp, or SMS apps). |
| Phone is muted or volume settings are restricted | Ensure the phone is not on silent mode or Do Not Disturb.
Increase system volume and disable any sound restrictions before starting the exam. |
| Headphones or Bluetooth devices connected | Disconnect wired headphones, earphones, or Bluetooth devices, as the phone may route audio input to them instead of the built-in microphone. If required, reconnect only after confirming which microphone is active. |
| Phone locked or screen turned off | Keep the phone screen ON throughout the exam. Android: Settings > Display > Screen timeout > Set to a longer duration or “Never.”
iPhone: Settings > Display & Brightness > Auto-Lock > Set to “Never” or the maximum available time. |
| Network connection is unstable | A weak or unstable network may disrupt audio streaming.
Connect to a stable Wi-Fi network. Avoid switching between Wi-Fi and mobile data during the exam. |
| Microphone blocked or obstructed | Ensure the microphone opening is not covered by a phone case, dirt, or debris.
Remove thick cases or covers that may block the mic. |
| OS or browser version is outdated | Update your mobile operating system to the latest version.
Update your mobile browser from the App Store or Play Store to ensure compatibility. |
