Default [Q] galaxy m11 os upgrade

i have a galaxy m11 os korean version can i update it to new version of andriod i have try to install kit kat but my phone wasant able to play audio and video file then and also it have no sim option then it hang to recovery screen and i was not able to get out of there then i got it repaired from mobile shop and they install default values and now it is in working position but now google play store cannot be open any more what can i do and also can i update it to new version of adriod like jelly bean or ice cream sandwitch kindly help me and i willbe thankful to you