adb: failed to install sndcpy.apk: Security exception: You need the android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag #266
This error is probably specific to your android device or vendor.
Have you tried removing the -g from install command in sndcpy.bat file?
See https://github.com/rom1v/sndcpy/issues/39
I'm having the following problem when trying to run SNDCPY could anyone help me?