open smartswith n see setting or performance then u will see

smartswitch samsung ka apna software hy ise pc ya laptop me instal karo google se download kar k phir data cable k sath mobile connect karo usme update ka option dayga wahan se aik bar update kar lo in sha allah next time khud se hoga update

instal smartswitch in ur pc or laptop then connect ur phone with this n update with this software

off this option marketing information and clear ur all apps cache

setting me jao apps me jao one by one sari apps ki cache or data cache clear karo ho jayga set phir apko sari apps phir se login karna parenge whatsapp ho ya or koi apps