According to Sammobile in some european countries there is a new S7 firmware: G930FXXU2ERH1 with august security level patch. In this website you can find changelist of this update: https://www.androidinfotech.com/2018/08/samsung-galaxy-s7-sm-g930f-august-2018-ota.html  In the second half of the list you can find " Battery drain issue Fixed. "  Has anyone tried this update yet? ... View more