No matter which gadget you are using, you will find a way here!
Therefore, you could make use of it to get extra light.
How to Turn on/off flashlight on iPhone/iPad Pro/iPod?

They are listed below.
Just tap at the screen of your iPhone or iPad to light it.
On the contrary, to turn off flashlight, just tap and hold on theFlashlighticon again.

older iPhone or iPod.
Just follow the below steps to turn on or turn off your flashlight.
The following are some examples.

How to Change the Flashlight Brightness of iDevices?
It is easy to alter the brightness of the flashlight of the iPhone, iPad, or iPod.
In theirControl Center, press and hold theFlashlightbutton.

Then, in the new screen, drag the slider up to turn on flashlight brighter.
Vice versa, to turn the flashlight darker, just drag the slider down.
How to Turn on/off Flashlight on Android?
Now, lets see the ways that enable/disable flashlight on Android devices.
This way applies to only a small number of Android devices.
Yet, there is no standard way to find out whether your phone has such a function or not.
However, you might venture to figure it out through the following attempts.