“bug 313 and 303” and Darwin Kernel among other iPhone issues

I have been having issues for weeks now with my iPhone. On analytics it shows “ bug 313 and 303” and Darwin Kernel. Also that it has a duet. My passwords keep getting changed and I have seen Json files being downloaded along with my location being watched everywhere I go. I have been hacked on my phone, my laptop and my work computer and in my car somebody put a SIM card in and after I found it opened a MMI account. My husband won’t listen to me and keeps telling me that I am doing this to my self and telling me I am crazy that none of this is happening. I have changed phones, changed iCloud names and now changed phone numbers. Can anybody help?

[Re-Titled by Moderator]