This is default rom (unroot) for i9300 mt6575 cpu smdk4x12 :
credit goes to nemero16..
This is link for full rom kernel v16..its unrooted, flash it with flashtool..
As far as i know there's no 4.1 rom for this phone yet..
Sorry for late reply.. Here is the link for rom kernel=Mon Sep 24 18:12:33 CST 2012, build version=1348481485 i think its the latest rom. The link is in chinease (use google translator if needed) u must signup before download. ...
I use this, very simple n effective :laugh: change your IMEIs by using ZOPO IMEI ( Thanks to colouriste )
1. REMOVE SIM CARD(S) FIRST !
2. Check "Dual Imei"
3. Type in original IMEI #'s 1 & 2 and then
4. Click "Writ...
Good find titan-computer! What puzzled me is some user not effected with this issue, maybe their bluetooth not using a2dp protocol? i dont know..