Frsky R-XSR Firmware Update via Jumper T8SG

Hey guys!

I've got a question.
I received a Frsky R-XSR from Banggood the other day. I'd like to flash the firmware to the EU-conform version. I found no information on this topic if this is possible and how. Probably you can help me out there?

Thanks
Mike

Not sure if there is a way to do it via the tx but you can use one of these if not..
www.amazon.com/gp/product/B014IYTZYK/ref...A2YGVOB7APVMLY&psc=1