problem connection samsung galaxy a5 to mavic

There seems to be an issue connecting the drone to the app on my Samsung Galaxy a55 (this years model). For you interest im in Thailand and 2 shops including the one i purchased the drone could not connect it although their iphones had no problem connecting to my drone. I went to Samsung, they...

My Mavic pro was working fine with a HTC desire 626 until the phone was stolen in Athens. I just bought a Samsung A5 (2016) with Android 6.01 but I spent 2 days in trying to connect it with the RC and Mavic. I changed USB cables, reloaded the app DJI GO 4, read forums, try USB debuging. Few...