try nyo tong link download nyo lang ang mga files needed at sundin lang ang mga procedures. very easy procedures.
after matapos lahat na process connect your modem, login: admin/admin, goto updates and it will provide you one. click updates and wait hanggang matapos. off/on modem, login : admin/admin. set network settings to AUTO. naka 4g kasi siya (just in case wlang 4g net sa area nyo). done! updated na firmware nyo.