See here
It covers most of the issues. If your Android version is 10 or higher, check that the file is being saved. You may have to save to the ASD (application specific directory). You will need an extension to get the ASD.
See here
It covers most of the issues. If your Android version is 10 or higher, check that the file is being saved. You may have to save to the ASD (application specific directory). You will need an extension to get the ASD.