Its not broken. You're just a dumbass. Its not a matter of technicality. Its a matter of language, and context. I literally stated that its next to impossible for both cameras on a phone to be 'broken', and you said u'd provide video proof that it was. Well, it isn't. You have a software/user problem. Your cameras are fine.
Own up to it, and have some dignity, especially for having wasted this much of my time on a nobody.
I also never questioned that you were French. I was questioning why you asked for dollars while in Paris, where I spent euros, and how you're surviving in Paris with less than $300...when it cost me that much each day to stay there (not even including hotel).
You're lying through your teeth now boy. That, or you just have really shitty English. Either way, not my problem. be wiser with your words, and with your comprehension in the future.
Go to apps and click camera, clear data, clear cache, remove SD... click Force Stop... hard reset. Here's a free advice for your broke ass cause unlike you, I have some integrity. Adieu, conman.