Why can a phone have a “out of battery” screen if it’s out of battery?
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Your phone isn’t at 0%. That would damage the battery. It’s too low to power the phone safely so shuts off. The out of battery screen uses little battery for a short time so you know you need to charge it. If you kept brining up that screen it would eventually kill the battery enough that you wouldn’t even get that. Hopefully the battery has an overdischarge protection circuit built in to avoid getting tookw and being damaged. It would basically shut itself off instead of getting dangerously low.
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