Salamat bro... try koneed nyo po ang apple's developers profile for ios 11.
ito po yung alternative link: You do not have permission to view the full content of this post. Log in or register now.
install nyo po ang profile na yan. pag na install reboot your iphone. wait nyo lang kasi auto download ang update package. pag na complete yung download magppromt po ang 'update completed' and follow nyo yung on screen update process