1st,Dapat binasa mo muna yung update nya lods if anong changes before po kayo nag update.
2nd,If gusto nyo pong ibalik ang dati nyang icon,magdowngrade po kayo.search mo nalang how to downgrade that if you are not prevented to downgrade.May update kasi na hindi ka pwede mag downgrade after maupdate kagaya ng samsung ko.hindi na pwede idowngrade.
3rd,Kung ayaw mo naman mag downgrade,try to use launcher na may kaparehas na fingerprints icon.Search mo nalang.marami naman dyan launchee na mapagpipilian.
Lastly,keep it nalang in that way,for sure,hindi lang naman ikaw ang may ganyan na fingerprints na icon.Yan lang ang maiadvice ko.Kung wala sa option ang gusto mo,nasa iyo na yan.Phone mo yan and you know what's best for you.