Recently, the OnePlus 12R received the OxygenOS 15 v840 update, which has significantly improved battery life on my OnePlus 13R. However, when I received the same update on my 12R, I didn’t notice any significant difference. I also discovered a shocking truth about the OnePlus 12R charger. You can check the results and some findings on the 4U Tech YT (screenshot attached below). I’d also like to know what results you’re getting with OxygenOS 15 v840. Please share your experience here...Read more