After signing in to Instavr, Select Gear VR >> Advanced Options >> Platform Settings >> upload your oculus signature file to oculus signature files(.osig).
![](http://instavr.wpenginepowered.com/wp-content/uploads/2017/02/6666.png)
To download your samsung device oculus signature file, please refer below link:
https://developer.oculus.com/osig/