COLOR OS V1.2 is released for Lava Iris 504Q Updated 21-3-2014V1.6 has some bugs, which can not be removed, so updated the V1.2, not much Difference.
Features:* Based on OPPO Color OS
* Color OS UI
* 3G + 3G on both sims
* Flip cover lock working
* 5 lockscreen types (Inbuilt)
* 2 Themes (Inbuilt)
* Brighter Flashlight
* 13 MP Camera tweaked
* Can Add APN
* vibration touch feedback working
* Ringtone changing
1. Go to CWM recovery
2. wipe Data and Dalvick cache.
3.Flash Zip from SD card/ External SD card.
4 Flash the ROM zip
5 Reboot (first boot takes little time)
Rom Downloads Links: