Help with updating M9+ box plz

Hi all

I have a m9+ box I would like to update

Could anyone help and give me advice on which roms I can have plz

M9+ build number p212-userdebug 6.0.1 MHC19J20170306 test=keys

ROM_VERSION: 112MINI

says MediaBox in about

says Trongle when I boot it up

Cheers all I know i'm in the right place as I've bricked a mxq 2 box already lol