Automated translation (from French):
"On my iPhone 8 I can no longer find the password and I would very much like to use it again because there are photos that mean a lot to me
My iPhone 8 marks "iPhone unavailable" and since then I can no longer put a code because I have done my code too many times knowing that I forgot my code, I would very much like to recover it because there are photos and many things that count for me (photos of me my family my relatives memories what!) I'm calling you to help me. Thank you"
If you have locked yourself out of your iPhone, there may be no way back into it except to reset it – which will wipe out all of the photos stored on the phone. Check with others to confirm – but at least, that's my impression.
If you forgot your iPhone passcode or your iPhone is disabled - Apple Support
The only way you are going to get your photos back is if they are already stored some place other than the phone.
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If you were using iCloud Photos, the phone would have been uploading photos to iCloud. You could see the photos by logging into the iCloud Web interface (https://www.icloud.com/), and you could access them from a reset phone or another Apple device by connecting that phone or device to iCloud Photos (for the same Apple ID).
If you were not using iCloud Photos, but you were making backups and your phone was set to include photos in the backups, then you might be able to recover your photos by restoring a backup. There isn't a good way to see what is in a backup other than to restore it – which requires wiping the current contents of the target device.
Also see: I forgot my passcode I need my photos and… - Apple Community
