Did you look at the pic in the OP? Yes it's S10+. Its on Samsung.firmware.science as an upgrade.hm did they release asf3 and asf7 simultaneously?
does asf7 also adress battery drain?
unable to find it on the internet, are you sure its asf7 not 3?
Edit: ah, asf7 seems to be for s10 not s10+.