To learn iOS forensics, try Corellium iPhone emulated VMs that are available to security researchers, the open-source QEMU emulation of iPhone 11 [1] where iOS behavior can be observed directly, paid training [2] on iOS forensics, or enter keywords from that course outline into web search/LLM for a crash course.
[1] https://news.ycombinator.com/item?id=44258670
[2] https://ringzer0.training/countermeasure25-apple-ios-forensi...