This is a complete guide on how to install OpenVPN on Huawei Modems These are the list of compatible Modems B315s-936 B 310As-938 / B310As-938-B – For modded Firmware only B525s-65a Requirements: PC/ Computer Files Needed: OpenVPN v2 for Modems B310As-938 / B310As-938-B : http://www.mediafire.com/?e46h8r4q070… – For rework firmware only! B315s-936 : http://www.mediafire.com/?zeguiddwkoc… B525s-65a :