1520 already dev unlocked?

[drbanks]

Just plugged my new(ish) Lumia 1520.3/RM-938 into VS 2013 to dev unlock it, and it tells me it's already dev unlocked? I get the option to de-register it.

Is this a function of the 8.1 preview, or something else?

 

[hope4wp]

you already have 8.1?