Porting IOS v7.0 Rom to All Mediatek MT6572 Dual Core Devices
First Of All Download IOSv7 Rom From Here
Download 7Zip From This Link
Put The Download IOS Rom to Your Desktop New Folder and Follow Below Steps :
1. First Open IOS_DualSim_MT6572.zip via 7Zip Software
Replace Below Files With Your Stock Original Rom
/system/lib/module/system/lib/hw/system/etc/firmware/system/etc/vold.fstab (all vold files)/system/etc/bluetooth/system/bin/vold/system/bin/vdc
Simply Drag and Drop Files to IOS Rom From Your Stock Original Rom.That's it.
Enjoy!!!