Are we talking about the same phone? The iOS kernel will literally kill your process unless you have an Apple-approved certificate. The kernel will also block

Are we talking about the same phone? The iOS kernel will literally kill your process unless you have an Apple-approved certificate. The kernel will also block you from accessing any OS service that’s not allowlisted in your certificate. And it’s impossible to obtain a certificate from Apple that allows you to fork a subprocess, access the filesystem, or run a custom hardware driver.