Xperias - New and Old Security

As we know there are plenty of xperias
we can not release with setool or with octopus
This is due to the production week
of these devices
good here I leave this info

If you have 12W13, 12W12, 12W11, etc.. Is Antigua security.
If you have 12W14, 12W15, 12W16, etc.. Is New Security

explanation:
12 = Year in which the phone was created.
W = The letter W means "week" "week" in Spanish.
14 = week that the phone was created.

* The phones made ​​from week 14 of the year 2012 and are new security.