Hubsan Official Forum

thank you all for useful information and links. Still waiting for my exchange parts and after i got them i will post a result

Ebay
https://www.ebay.co.uk/itm/Hubsan-X4-H502S-H502E-RC-Quadcopter-Spare-Parts-2-4G-Receiver-Module/173340508741?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

I already check the propellers and the motors and everything looks fine. I think that the motherboard is gone and I ordered one for the replacement but unfortunately is going to take ages to arrive. After I replace the motherboard I will post the results.
Thank you for your reply

I have a hudsan x4 502s and after a crash after plugin the battery only one blade is spinning and nothing else works. Anybody experience this fault? Any advice will be great appreciated