When you see the green light on your iPhone, you can assume that everything is working as it should. But what does the green light actually mean?
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What it means
The green light on an iPhone/iPad/iPod touch signifies that the device is currently turned on and ready for use.
How to get it
Assuming you’re talking about the iPhone’s display, the green light signals the phone is ready for use. When you first get the phone, it will default to the “green light on” setting. To change it, go to Settings -> General -> Accessibility -> Display Accommodations and toggle the “Green Light On” switch to “On.”
Why you want it
The iPhone has a magnificent green light on the top of the screen that indicates that it is currently in use. This light is visible even when the phone is locked and can be a very reassuring sign to those who are using the phone.
When you need it
When you need it, the iPhone has a bright green light that lets you know the phone is ready to be used. The light is turned on when the phone is turned on and locked, and it stays on until you turn the phone off or use the power button to turn it off.
What to do if it’s not working
If your iPhone is not working, there are a few things you can do. First, try powering it off and on again. If that doesn’t work, try plugging it in to a different outlet and see if that fixes the problem. If that still doesn’t work, you may need to take it to a repair shop.
The green light on your iPhone indicates that it is charging.