Andrzej Surowiec

Good, but now I'm interested why it didn't work the normal way. Can you give more information on what you did? Your operating system, file manager etc. Sometimes the system...

Thanks for your feedback. For me, cp in the terminal works on Linux, but using a file manager fails because it tries to write to a temporary file, then rename...

USB gadget is working in LEDE trunk (unfortunately it has not been included in the first stable release). Here's a quick port I made some time ago: https://github.com/Emeryth/source/tree/zsun

Yes, I've tested it.

The USB gadget driver for AR9331 is not present in OpenWrt or LEDE 17.01.4. You have to compile LEDE trunk with one of the USB gadget modules.

Yes, it looks that way. Remember that you will need to reduce the size of the LEDE kernel image by disabling some options (or it won't fit in the zsun's...

The instructions on the hackerspace.pl wiki still apply, but perhaps you should check out this thread where much more recent images are being developed: https://forum.lede-project.org/t/supporting-zsun-wifi-card-reader-16mb-flash-64mb-ram-ar9331/2142/

Works fine for me on Linux and Windows, I have no idea what could be wrong.

How are you powering the zsuns? A weird setup with long cables or hubs could lead to a situation where increased current draw from turning on wifi causes a reset....

It works, but it's a very bare bones adapter that requires external power supplies for backlight and logic.