Why does the screen turn off automatically instead of staying on?Why don't some devices show battery level or model on the screen?Why do some devices show only a generic model name instead of the full model name?Why is the charging power lower than expected, or why is charging slower than usual?How do I update the charger so it recognizes the latest iPhone models?Why doesn't my device name appear on the display? Why doesn't the battery level appear for my older iPhone with a Lightning port?Is it normal for the charger to get warm while charging?