Hi friend hows your day
try download sms app like Go in googleplay..
as i said 4.1.2 stable i dont rebember any bugs or probles with 4.1.2 but 4.3 as i tested had some bugs .. yes its not english language but after install you can change the lan...
Finally i found 4.1.2 Without any korean software fast and Custom deodex
ROM COOK E210LKLJME2bBY_ThanaChhim.zip
some Bluetooth headset not work will ...