Model: Ultera OT-350 4G/LTE(Color White) Type IP address 192.168.15.1 use:
Username: homeultera Password: homeultera
For Home Bro Ultera Black router try: Username: voip
This will mostly work on all PLDT myDSL issued modem like Zyxel, Speedsurf, Kasda, Huawei and other brands catered by the company. Login credentials also works on PLDT Home DSL and Fibr router page.
If you can't access using the default router IP (192.168.1.1) follow steps below:
Go to command prompt (Windows) or just press Windows + R on your keyboard Type 'cmd', then type 'ipconfig /all'. Look at your LAN adapter (Wi-Fi or Ethernet whichever is connected to the PLDT router). Take note the 'Default Gateway' numeric IP address, something like 192.168.X.X. Go to your web browser and input the Default Gateway IP in step no. 4. and hit Enter. It should take you to the login page, input the PLDT admin password above.
Tip: In case all of the credentials given above does not work on your PLDT router you can always call PLDT hotline to ask for assistance regarding your problem.
[Release]PLDT BROADBAND WIFI DEFAULT user and pass