No feedback at all.
Looks what arrived today 
Unfortunatly, does not works, absolutoely nothing on screen not charging LED lighting, tested with 2 USB cables and 2 different power ;-(
Found it a bit cheaper here plus they have an OTG version as well
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These are new ones on me, three different STM32 chips types to choose from too
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US $4.46 incl. shipping
Who was your supplier?
you have to do some webresearch for the best deal.
here’s one
I have seen on many place it is the go-to place for getting µCurrent in Europe, so when I saw they eventually got some in stock (tnx @BoRRoZ), I immediately ordered one.
Currently ‘in shipping’, got the tracking number, but as you say no contact details
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328p + sx1276 module
module programmer
- http://dwmzone.com/en/lora-wireless-modules/427-lora-mini-a-small-iot-end-nodes-module-compatible-with-arduino.html#/center_frequency-868mhz
- http://wiki.dragino.com/index.php?title=LoRa_Mini
- http://joomlaweb.blog117.fc2.com/blog-entry-664.html
- http://www.dragino.com/downloads/downloads/datasheet/EN/Datasheet_LoRa_Mini.pdf
* yes off course I know you can make it yourself to … and it probably will be a few euro cheaper for you because hobbyist don’t calculate like companies … 
I don’t… so I just bought one to see if its usable and 'howto on the TTN network
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max $1.99 products
http://stores.ebay.com/chipworld/1-99-Less-/_i.html?_fsub=9922574018&rt=nc&LH_BIN=1