this post was submitted on 01 Jan 2025
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What is this thing?

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Sister was messing around with a UV light and noticed this on her phone screen under it. My phone does not have this (all I get is a grid of dots I'm pretty sure are to do with the touch screen).

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[–] mrfriki@lemmy.world 55 points 1 week ago (3 children)

Not sure what it might be but shape and position match those of the wireless charging coil.

[–] Melonpoly@lemmy.world 34 points 1 week ago (2 children)

That wouldn't be behind the screen nor rectangular

[–] pearsaltchocolatebar 22 points 1 week ago (1 children)

Charging coils can absolutely be rectangular.

[–] ColeSloth@discuss.tchncs.de 8 points 1 week ago

They can't be behind the battery, though, so this can't be it.

They also can't be that long and still work with any efficiency.

[–] mrfriki@lemmy.world 10 points 1 week ago (1 children)

Oh, I thought that OP was asking for the circular shape, the rectangular one looks more like some short of graphic showing on the screen. But maybe the circle is just the reflection of the flashlight?

[–] Joeffect@lemmy.world 4 points 1 week ago

Yes, the circle is light from a light source...

[–] Sir_Kevin@lemmy.dbzer0.com 14 points 1 week ago

Wouldn't that be on the back side of the phone though? I suspect the battery would be between the coil and the display, making it impossible to see from this side under any kind of light.

That said, I donno WTF we're seeing.

[–] sockman@sh.itjust.works 3 points 1 week ago (1 children)
[–] ShepherdPie@midwest.social 6 points 1 week ago (1 children)
[–] illi@lemm.ee 5 points 1 week ago* (last edited 1 week ago) (1 children)

Pretty sure it was Mrfriki's guess.

[–] poplargrove@lemmy.world 1 points 1 week ago

They might have posted first but ShepherdsPie actually realized it first. I was there.