"Killing" or bypassing Android's APK signature verification is a technique often used to install modified (modded) apps that would otherwise be rejected by the system because their digital signatures no longer match the original developer's. Tools and Methods for Signature Bypass
Forcing modified system files or mismatched app versions can lead to boot loops and data corruption. Android Developers What is APK Signature Verification? kill signature verification apk download
Allow the installation of unsigned or differently signed APKs over existing ones. 2. CorePatch (LSPosed Module) kill signature verification apk download
Several specialized tools exist for developers and advanced users to bypass these security mechanisms for testing or personal use: kill signature verification apk download