In many "free" versions, the bypass is tethered, meaning if your phone dies or restarts, you have to run the software again.
Are you trying to get past an on a specific iPhone model, or ibypasser-v1-1-bypass-ios-15-free-download
Since this requires "jailbreak-like" access to the system, you are essentially lowering the security wall of your device. In many "free" versions, the bypass is tethered,
It successfully handles the newer filesystem changes in iOS 15 that broke older bypass methods. In many "free" versions
iOS 15 jailbreaking is hardware-dependent (iPhone X and older).