Got this from Avin a couple of minutes ago.
Support (AVINUSA.com)
Apr 27, 8:54 PM PDT
Note: Before installing the new DVR app you must first UNINSTALL the DVR app that is already installed in the monitor.
Click the link below to download the DVR dashcam app
DUAL DVR-com.ankai.cardvr-3.0.20-20.apk
https://drive.google.com/file/d/1iwH...ew?usp=sharing
Install Android app (APK) files from SD card or USB Flash drive.