If you are using a vivo phone and there is no sound when playing after mirroring, please refer to the following processing methods:

1. Please increase the media volume of each device and try to play again;

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2. Please use the screen mirroring device alone for audio playback. If the screen mirroring device itself plays audio abnormally, please replace the device;

3. If you are using WiFi screen mirroring, please confirm the router If the network is currently abnormal, you can try restarting the router or changing the network;

4. If you are using wired screen projection, please try to re-plug and replace the data cable or adapter cable;

5. Some audios and videos are protected by copyright and do not support screencasting to other devices. Please change and try again;

6. Update the system version and "Mutual Transfer" APP version to the latest and try again.

Enter Settings--System Upgrade, check for upgrade online (some models need to enter Settings--My Device--iQOO UI version/Funtouch OS version).

Enter the App Store--Management--App Update, click Update behind the software to upgrade the software;

7. Enter Settings--System Management/More Settings--Backup Go to Reset - Restore All Settings - Restore and then proceed.

This operation will not delete software or files, but will only reset all setting options. For your data security, you can back up important data before operation.

Note:

Enter Cloud Service--Device Cloud Backup--Backup Data Type--System Data--Return--Backup Now to back up some system settings and desktop layout;< /p>

Cloud service--Data synchronization--turn on WLAN, Bluetooth, etc. to synchronize data to cloud services.

For more usage doubts, you can go to the vivo official website--My--Online Customer Service--Enter manual and consult online customer service for feedback.