The code *#0228# onky resets the battery so is of no use to this problem.    My phone is only a few months old so its not a problen with battery. Its a problem with the Oreo ROM and which was not there with Nougat on the same phone. ... View more

Someone said the problem started after the April patch but that is not right as I havent installed it yet and have the problem just after Oreo upgrade. ... View more

Seems that this issue has now been escalated and is also on the news:   S7 and S7 Edge Cell Standby Issue   Though no confirmation of when the issue is to be resolved or any workaround. ... View more

Does downgrading to the official nougat rom using odin trigger the knox counter? ... View more

I have this exact problem since upgrading to Oreo on the S7 Edge.   Today, I have a 30% battery drain just due to Cell standby which is ridiculous. I never had this during Nougat. Battery seems to be affected a lot with Oreo compared to Nougat on the S7 Edge.   I tried the following but nothing worked: Reset Network Settings and Restart Reset Cache Partition and Restart   Don't want to factory reset as it is too much of a hassle and after installing Oreo, I had done a factory reset anyway, so doubt it will change anything. ... View more