Only download from links verified by the "checkra1n" or "Palera1n" communities.
Like most free bypasses, you usually lose cellular signal (No SIM) and the ability to sign into iCloud via Settings (though the App Store usually works). ibypasser-v1-1-bypass-ios-15-free-download
Are you trying to get past an on a specific iPhone model, or Only download from links verified by the "checkra1n"
In many "free" versions, the bypass is tethered, meaning if your phone dies or restarts, you have to run the software again. or In many "free" versions