I have tried multiple downloads and installation of the ASUS firmware restoration utility on Mac OS X 10.10.3.
OS X refuses to run the ASUS APP after installation.
It reports it being corrupt and invalid.
My sources for download are ASUS
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-N66U+(VER.B1)&hashedid=PZkFHlMrGWzVROxT
File / Utility Name
ASUS RT-N66U_B1 Utility 1.0.0.1.07(For MAC OSX)
File Size 1,88 (MBytes) 2015.06.15 update
OS X refuses to run the ASUS APP after installation.
It reports it being corrupt and invalid.
My sources for download are ASUS
http://support.asus.com/download.aspx?SLanguage=en&p=11&m=RT-N66U+(VER.B1)&hashedid=PZkFHlMrGWzVROxT
File / Utility Name
ASUS RT-N66U_B1 Utility 1.0.0.1.07(For MAC OSX)
File Size 1,88 (MBytes) 2015.06.15 update