My front camera stopped working? iPhone X

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Please re-post with detail so that someone else can help.

sinazo211 wrote: "I don't know, but doubt. I bought it second hand."

To be clearer, this icon is the Settings app:

...Tap it to open Settings app. Then scroll down to Battery and tap it. Then tap Battery Health & Charging and tell us what the Maximum Capacity % is. If its value is only "––", let us know that.

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sinazo ~ Does your iPhone X still have its original battery?

And what's the Maximum Capacity % here?...

Settings > Battery > Battery Health & Charging

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I don't know, but doubt. I bought it second hand.