I read somewhere that you only qualify for this if you signed up for the Galaxy Unpacked event

CourierIt

The claim reference number is apparently a Waybill tracking number for courierit. It worked for mine. Track online and check

I feel you shouldn't have to turn down your refresh rate to 60Hz. You spent money to have an awesome device, enjoy it.What you should possibly do that won't really affect anything you can see, but still give you some improvements is below.1) Turn on ...

I just found out that the reference that they give you once complete, can be used for tracking the Waybill from courierit.