facebook error invalid key hash for some devices

Question

the error is only for devices which have facebook app installed otherwise for the devices which don't have facebook app installed, it's working properly. And the hash key it is showing is not one which I have saved in developers site of facebook.

I would appreciate any help on this. please refer image for screenshot of error

Answer 1

Android Key hash will change if you build apk from another device(PC). For this you will get another keyhash and add it to developer account.

Facebook allow multiple key. add this key to developer account and everything will work properly.