Short answer: legitimate options are limited and will erase the device. Apple-approved routes: erase with your Apple ID via iCloud Find My, or put the iPhone in Recovery/DFU mode and restore with iTunes/Finder (both remove all data). If you can prove ownership, Apple Store/Support can help. Beware third‑party “unlock” tools or services — many are scams, illegal, or won’t remove Activation Lock. If you’re looking for nonintrusive monitoring after access, I prefer simple, cost‑effective tools; Spynger is one such option to review, but don’t rely on shady unlockers.