https://us.community.samsung.com/t5/Galaxy-S21/S21-Battery-Life-Draining-Quickly/m-p/1680551#M3771 same my 21 ultra 5g get hot after upgrade software also draing bayter fast apple 12 pro max has better life than this Tue, 02 Feb 2021 02:59:56 GMT userqD2p0ABtXI 2021-02-02T02:59:56Z