Can I Update lenovo k4 note to marshmallow after rooting?

[AC Question]

I have a rooted k4 note and previously it had probems with updating if the phone is rooted, i tried to fully unroot but still it couldn't update.finally i flashed the stock rom and it was successful.
I just want to can i update my phone to marshmallow without flashing the stock rom.

 

[dpham00]

You should be able to flash a third party marshmallow based rom, provided that one exists