In most cases you can update the software directly from the panel. In some cases you might need to download the app to a USB stick to install it. This might be on older panels or if you are installing on a other 3’rd party android panel.
Download latest Stoltzen Metis app for all original Metis panels. (1012T, 1052T, 1056T and 8058T)
Download latest Metis app for 3’rd party panels
Unzip the downloaded file and copy the .APK file to a USB stick and plug into your device.
The File Manager should automatically launch or you need to manually launch the Android App Explorer or CX Explorer.
and you can do the update by selecting the .APK file.
Please note that the panels can be a bit picky in terms of what types of USB sticks they accept.
You can also use the internet browser on the panel and download the App directly to the panel and install it.