It will unlock band 41. It is used in China. I did not see any change for me. In my country we have band 3,7,20 for 4G. You can find out what band is in your country here http://en.wikipedia.org/wiki/List_of_LTE_networks
Se desbloquea banda 41. Se utiliza en China. Yo no veo ningún cambio para...
Xancin! Thank you very much! I was waiting for Russian language. Is it also possible to do the latest build from 18 january? The build from 18 January has 4G working.