Device Web browser not recognising Android

I am using B4A to open a web browser on a embedded controller device using the code;

Dim p As PhoneIntents
StartActivity(p.openbrowser("http://192.168.1.200"))

The web browser works fine until I try and save a file from the embedded device to my "PC". When I click on "download" using IE on a PC, I get the usual "file save" dialog box, but using B4A I get nothing.............at all.
The web browser registers the button press when I click on "download", but nothing happens after that.

Is it because I am using the openbrowser in Phone, or ????

The purpose of the exercise is to save a small text (*.csv) file that is a summary of the embedded controller device's configuration, so I can use some of data in labels etc in my B4A app.............

I presume I can open a storage location in the tablet under B4A in a similar manner to using IE under Windows??

I should have added, the "download" button is embedded in the devices HTML web server - on one of the webserver's pages........