It is not just a ROM, it is a full firmware so yes you will receive OTA updates if the carrier releases them. To revert to lollipop you will have to reflash the full Kitkat firmware with SP Flash Tool here
I will try on my 820ts,i hope everything will work.. When I finish I will post everything..
Everything is good,it flash fast,but little bit I wait after finish everything in SP FLASH TOOL,i do everything same like in tutorial and now I have lollipop finaly on my device.. Tomorrow I will put screenshots.. good night..
and of course thanks to everybody who do this for us..
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