Known Issues
Only the primary SIM slot works
HW Composer not used in landscape
Bad animation when switching between portrait landscape
screenrecord does not work
FM Radio does not work (you can use SpiritFM, but I'm not providing support for any problem)
No anti-banding setting in Camera
Stock browser does not use hardware acceleration (Please use Google Chrome)
Wi-Fi Direct doesn't work (normal Wi-Fi works fine)
Gallery cannot delete files in external SD
Messaging does not work on fresh install of 20131214 (no problem in previous versions)
Does not work on 4.1 stock ROM's bootloader, please upgrade to 4.2 before flashing