The only 100% safe and permanent way to remove Activation Lock is through official channels. Self-Service : If you know your Apple ID but forgot the password, use Apple's Account Recovery to reset it. iCloud.com
Files distributed under names like "iActivation R3 v24 download full" are highly prevalent on third-party file-sharing networks, forums, and unverified blogs.
The Truth About iActivation R3 V24 Download Full: Risks, Realities, and Alternatives
: Tools like iActivation are not authorized by Apple. Users should exercise caution, as downloading "full" versions from unofficial third-party sites can expose your computer to malware or security risks. Device Limitations
After completion, the iPhone should be activated and support rebooting without losing the bypass.