[Q] i9195 can't send texts or make calls, but can use mobile data.

Recently flashed CM10.2 on my i9195, before upgrading to a CM12 nightly. On neither of these was I able to send texts or make calls, though the network was able to register and I had access to mobile internet. So it showed the network name at the top, it said I had full signal, but all texts were unable to send, and calls end immediately before even ringing.



I've just flashed a stock firmware, here is what it says in about device:

version: 4.4.2



Baseband: I9195XXUCNK4



Kernel: 3.4.0-3330432

dpi@SWDD3013 #1

Fri Nov 21 23:51:48 KST 2014



Build: KOT49H.I9195XXUCNK4



Basically on the stock firmware I have the exact same issue. Any help would be much appreciated.



The phone is unlocked.

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