i have problems with jelly bean

[ProdescuMihai]

i install jelly bean on my galaxy s2 and after istallation ask me to enter the network code .
why can i resolve this problem ?

 

[SkyJackpot]

i install jelly bean on my galaxy s2 and after istallation ask me to enter the network code .
why can i resolve this problem ?

You need to unlock your phone. Or put a sim card into your phone which uses the same network which the phone is locked into.