proffesinal

Hello can anybody help me? Activation failed (serverbackfail) contact DJI support if problem persist after restart. I called them on Friday and they said that i was my phone. So i just bought a tablet but nothing.. if someone have o had the same problem before, please help me thank you guys

I have a mint conditional P3 pro for sale. Looking to get $700 for the kit. Comes with extra battery, range extender and Hardshell case from DJI.