"Arifa Zinazojirekebisha za Android" "pin" "nenosiri" "namba ya siri" "hatua mbili" "hatua mbili" "ingia katika akaunti" "ingia katika akaunti" "ingia katika akaunti" "thibitisha" "uthibitishaji" "namba ya kuthibitisha" "siri" "thibitisha" "uthibitishaji" "thibitisha" "uthibitishaji" "mara moja" "uwezo wa kufikia" "uthibitishaji" "thibitisha" "matumizi ya mara moja" "idhinisha" "uidhinishaji" "namba binafsi ya utambulisho" "PIN"