Hello Alba,
Thank you for using Apple Support Communities!
I understand from your post that you have debris inside your camera lens. If you have cleaned your iPhone camera lens and the issue persists, you may need to contact Apple Support for additional assistance.
Cleaning your iPhone - Apple Support
Get help with the camera on your iPhone, iPad, or iPod touch - Apple Support
Contact - Official Apple Support
Best Regards.
Thank you for using Apple Support Communities!
I understand from your post that you have debris inside your camera lens. If you have cleaned your iPhone camera lens and the issue persists, you may need to contact Apple Support for additional assistance.
Cleaning your iPhone - Apple Support
Get help with the camera on your iPhone, iPad, or iPod touch - Apple Support
Contact - Official Apple Support
Best Regards.