Earlier or was on quarterly update list for security patches now they might have put it on biannual list. Major updates however doesn't follow this schedule. They realease them as soon as these updates are ready.
Wese bhi yeh last major update hai jitna deer se mily bahter hai ta k mobile Kuch waqt k Liye new to lagy. Agar abhi update mil Gai to Kuch months k bad mobile old lagny lgy ga
