Hello. Recently updated my S7 to Oreo and am experiencing severe battery drain. A full charge only lasts about 5 hours, which is a significant decrease since the upgrade. I've seen a few threads online where suggesting this is a bug with Oreo, but have not found a solution. Thoughts or suggestions to fix this? Thank you!
Best answer by tmo_mike_c
Ideally they should. In the off-chance they don't, we'd like folks to make sure it's not coming from 3rd party apps by using the phone without them temporarily.
As mentioned in my previous posts, we haven't been getting reports of this being a known issue. What we've determined is this is likely coming from 3rd party apps that haven't been updated to work as well with the new software. We recommend uninstalling 3rd party apps temporarily and testing out the battery life. Any updates to the app will come from the individual developers. You'll want to allow some time for these updates as this will usually happen gradually after updating to a new device OS. You can also check out our Tips to save battery life page for some additional settings to check. Thank you.