Short answer: Using a phone while charging generates extra heat from both the screen and processor, and heat — not the act of using it — is what accelerates wear. Light use has minimal impact; sustained gaming while charging generates more heat than either activity alone.
What ‘Trickle Charging’ Actually Means and When It Happens
Trickle charging refers to a slow, low-current charging mode used either to safely revive a deeply discharged battery or to…