First disclaimer po: I'm a newbie lang following yung lead ni master Lenar sa kanyang mga discoveries, so I do some experiments lang.
Here's what I found po, I think yung Auto Software upgrade happens pag nag la login sa router; pag login pa lang it makes function calls na specifically to: software_upgrade.js, so behind the scenes I think pag meron na available update mag u update na router as programmed;
I tried to comment out lang sa software_upgrade.js ⇨ www/js/panel/router yung two function calls; getCpUpdateStatus() and GetSWVersionInfo()

Make sure to delete din yung possible IP address ng PLDT sa ajax_calls.js ⇨ www/js/base.
MAJOR CAVEAT: pag inaccess yung router through nginx with router local, nag lo load ang mga files from the ROM folder which obviously cannot be edited; so mag a update pa rin ang router if accessed that way maybe, that's why experimental solution lang po ito.
Thanks kay Master Lenar sa dami ng tulong nya, wag ka po magsawa mag share sa lahat.
Some tips sa pag edit with vim; vi filename to enter vim, i to enter edit mode, ESC to esc, then either type :wq to save and exit, or :q to discard changes and exit :q! to exit quickly without saving.
