stable, there are only small problems. 20150302 useless. Now I put up the MK50.2-aries-201503020950.UNOFFICIAL.zip ROM, and it seems to me it's perfect, stable rom.
"One thing I can confirmed, this call issue will happen when there is no dialing tone on my phone when I contact someone.The receiver's phone will ring, but when picked up, I couldn't hear any voice." This is a problem for me, I returned 20150218