If you do not see the good emunand button, like I showed in the picture a few comments back or the label that sats emunand as @josete2k showed in his picture a few comments back, you are not on emunand.So, should I first update my sx os version to see if im on emunand or sysnand?
before you do anything I highly recommend backing up everything on your SDCard to your PC.
After that you can continue through the links that I and @HalfScoper provided (again, a few comments back.)