Important Notes (Before You Start) 

• ⚠️Do not update during critical use; unexpected issues may occur.
• ⚠️Ensure all devices are on, paired, and have sufficient battery.
• ⚠️Keep screen on and APP in foreground; background restrictions may cause failure.
• ⚠️If update fails, wait for device to exit update mode, then retry.

Operating Steps

1. Confirm that the version of " Hollyaudio" APP is the latest version. Confirmation path: mobile phone application mall searches for Mamma audio and downloads, opens the software-mine-about the app-APP version, you can view the current version and choose to update to the latest version.
    
2. Connect The LARK A2 microphone to the mobile phone. Make sure that both TX transmitters are connected to the receiver. Under normal connection, the indicator lights on the microphone and receiver are always on.
   
3. Open the mobile phone APP microphone interface, click the setting icon in the upper right corner, click firmware upgrade, click one-key upgrade, and wait for the upgrade to complete.