Problem while installing Facebook & Facebook Messenger App

I can't install Facebook & Facebook Messenger App.Play store stops responding after download when installing screen appears. :confused: It takes too much time,Apps,launcher restart frequently.After 15-20 min system reboots and take too much time to boot.I am running android 6.0.1 in my Symphony Roar A50.What is the accurate problem,Is there any fix ?? :eek:

I think it is problem of facebook & messenger App.Asking google i see that art is not compatible properly in facebook & messenger app.Why facebook didn't fix this ??

Sorry for my bad english :crying:

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