iPhone/Samsung Heating Indoors in UK Humidity
iPhone and Samsung Heating Indoors in UK Humidity – User Experiences Initial Observations During the recent humid summer days in London, I noticed my Samsung A52 warming up unusually fast while sitting at my desk. The air was heavy and damp, the windows closed, and the central heating was off, yet the device felt noticeably hotter than usual. Similar reports from colleagues in Manchester and Birmingham indicated that iPhones also showed unexpected heat even when idle indoors. Unexpected Device Reactions Users observed several behaviours linked to indoor humidity: Temporary lag in UI response when opening apps, even lightweight ones like Notes or Calendar. Screen brightness adjusted automatically, sometimes dimming sporadically. Short bursts of fan-like vibration on Samsung devices, indicating active thermal management. Battery percentage dropping faster than expected without heavy usage. These issues were particularly pronounced in older buildings with poor vent...