I have the A139 with front and rear cameras which uses wifi to connect to my android 11 phone. I have successfully formatted the SD card (Sandisk Extreme 128GB) to FAT32 and the camera is recording fine. However, in order to access the settings menu you have to stop recording and the issue I have is when I stop recording the camera begins to beep continuously. It will not stop unless you start recording again, power down the camera, or turn off the notification sound. If the constant beeping is a notification sound, what is the notification? I tried to update the firmware thinking that would help, but there isn't a link for the A139 on the Viofo Support Center firmware page. I found a link on the Viofo app labeled "Firmware" but it doesn't open. The beeping is driving me crazy. What can I do to stop the beeping and update the firmware?
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