sahilsamandar007 , via OnePlus 7 , Sep 15, 2021 : Updated to 220.127.116.11 and now my battery drains in 6hrs. Bluetooth turns onn automatically. Wifi gets disconnected automatically. At first my Whatsapp folder was under File Manager. Now it's in File Manager, Android folder and android folder. 3 Whatsapp folders in 1 phone. It now uses 3 times more space. Wowwww right ?