SK-200's, SK-4000's and older SK-4500's (serial numbers beginning with 4001), can install up to version 1.58 of the SiteHawk.apk.
SK-4500's with a serial number beginning with 4006 and SK-6000's can use version 1.59.
SK-200's, SK-4000's and older SK-4500's (serial numbers beginning with 4001), can install up to version 1.58 of the SiteHawk.apk.
SK-4500's with a serial number beginning with 4006 and SK-6000's can use version 1.59.