CyanogenMod 11 with RIL working for i8262, not tested on i8260 but you can try it and let me know
I ported this rom from DNS 4503 and Grand Quattro
Before installing this rom keep few things in mind
I am not responsible for anything wrong happe...
So guys i found a rom in Galaxy Core Section which is created by abhi922 and decided to port it to Grand Quattro
Link to original Cosmic rom for galaxy core thread
Totally bug free recovery for galaxy grand quattro and also Material Themed
TWRP recovery v2.7.10 ported from galaxy core
TWRP recovery v184.108.40.206 ported from huawei y300
no more bootloop issues on reboot to recovery
(you can ...
Stock keyboard with numbers row just like note2 This is not my work. I found it in galaxy core section.
Press thanks if you find it helpful!!
some 1 test this n tell me if wifi is fixed or no n microphone also