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Now, I know the Samsung Galaxy S10e does not have a built-in IR blaster.

However, the comment at the end of this post says the built-in iris scanner has some sort of IR capability?

Is that true, and do you think it's possible to utilize that?

Otherwise, I would use one of those IR remote control apps on Google Play and I'd need an IR blaster attachment like this. But is this the best way to go?

I'm thinking to control random TVs in hotel and airport lobbies... (just for fun) or the AC at a friend's house or our Stereo receiver we have.

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