it is china clone, i bought it with software 4.22 and i upgrade it to the 5.11 from here -> Download <- no problems for me, but i can tell you that if somebody want to upgrade like me, may be hi can kill his box, i don't know - "thing twice cut once", i can make a picture in the morning when i go to work. but i already open the box and inside over the circuit has something like black plastic thing very hard and nothing can see from the element's of the pcb nothing at all. that's for now, pictures in the morning.
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