This is my first post here, sorry if I don’t use the correct topic.
I have the same issue with my battery here since I upgrade to 1.8 Kola Nut, but didn’t notice that much if heat.
Heat is absent in idle mode and moderate on use, couldn’t even say if it is hotter than before the update, but one thing is sure: the battery gets drained WAY more quickly than before : after one day of regular use (short calls, quick web surfing, some gaming in the metro, lots of idle) I get dropped to 30% battery, while I was at ~65% before the update with an identifcal daily usage.
I’ll stay alert about the revised update. Any ETA on it? Because as of today, the Fairphone Updater app tells me that my “current operating system version Fairphone Kola Nut 1.8 is up to date”.
Note: my Fairphone is a second-batch Fairphone (FP1U).