Why can't I download the new instagram app ?

Had the instagram beta app installed and everything worked as it should. Then I did a hard reset and again everything worked as it should but now that the app is not beta anymore it says that my phone does not fulfill the hardware requirements and that I need a phone with more funktions. My phone is the Lumia 640 DS with the 10586.218 build. Any suggestion how to get the app again ?

I'm having the same issue with my 950XL dual-sim on .218. Says my device doesn't fulfill hardware requirements. Hopefully just a temporary glitch they get iron out quickly.