For me it’s the notification light you used to find on older phones, was particularly good to know if your phone was charged without picking it up
this post was submitted on 28 Dec 2023
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What I don't understand is why the notification LED was removed in the first place? It can easily be put under the screen.
The LED was so helpful, and it's so annoying when I don't see an important message for hours, because I haven't used my phone.
Nowadays most phones have OLED screens, which can easily replicate the function of the notification LED with the “always on” feature.
Yet there are often warnings that even with OLED AOD eats a lot of battery, not so with a notification LED.
The absolute newest OLED that can do 1Hz refresh are better. But that doesn't change that the removal of the notification LED was detrimental to the functionality of the smartphone.
OLED AoD eats a lot of battery because there's still quite a lot of information(and thus, pixels turned on) shown on the AoD. A single pixel blinking on and off would at most use the same power as a dedicated notification led.