The user has reported an issue with the camera not working on their Samsung Galaxy S21 device. The issue is system-wide, affecting both the main camera app and third-party apps, which either show a black screen or crash. The user has tried various solutions like clearing camera data, resetting the camera, and changing device fingerprints, but none have resolved the problem. The user is using VoidKernel for their device and has followed all instructions provided by the developer. They are open to asking the developer for a release if the issue needs to be addressed on their end or compiling the kernel themselves if it is determined to be a KernelSu bug. The user has provided logs and device information for further analysis.