Why carry a flashlight when your phone has a torch?

2017年7月19日 — Sure, although I don't think the battery will last that long. But you can try and find out how long it takes before the battery dies.

2021年1月15日 — Everything so far has been about turning the flashlight on or off. There is one option that is just for turning it off, though. When you're at ...

2019年3月14日 — Apple estimates their cool-touch LEDs will last between 25-40k hours … yes, K as in THOUSAND, with maximum brightness at the low end and low ...

2012年12月27日 — For hours at least, if not days. I am guessing it will last you at least 4-5 hours on continuous usage but it will seriously drain your battery, ...

2020年2月17日 — No, you shouldn't worry about your iPhone. The typical phone flashlight 'bulb' is a LED (Light-Emitting Diode) and typically lasts 55000 ...

2021年8月20日 — Responding to this forum on my old iPhone7 I quite often ran it til it went off and although it is not recommended it still has 85% after 18 ...

2023年10月30日 — Zero damage. The LED will probably outlast everything else on that phone, the lifespan even with super heavy use is 5-10 years. If normal use, ...

2022年4月2日 — The current a phone flashlight uses is around 80 mA (milliamps) , so in theory, if a phone battery has a capacity of 4500 mAh (milliamp hours), ...

2015年5月22日 — I would say no for two reasons,. The flash on an iPhone is an LED which unlike old camera flashes doesn't mind running for extended periods ...