ssid.aiAPI

StarHub (Singapore) PR39 Mobile Broadband Wireless Modem default password & login IP

The StarHub (Singapore) PR39 Mobile Broadband Wireless Modem default login is root / 1234 at http://192.168.100.1.

For regaining access to a router you own or administer. If you didn't set it up, ask whoever did.
Login address
http://192.168.100.1
Gateway IP
192.168.100.1
Username
root
Password
1234

Singapore's first row in the dataset — StarHub's mobile broadband modem. StarHub's own PR39 user guide states: "When the login window appears, enter the default username, root, and default password, 1234." Default IP is 192.168.100.1 over WLAN or 192.168.21.1 over USB.

Factory reset

To factory reset, press and hold both the WPS and Reset buttons simultaneously for at least 10 seconds. Connect over WLAN and browse to http://192.168.100.1 (or http://192.168.21.1 if connected via USB), then log in with username root and password 1234 per StarHub's official user guide.

More StarHub (Singapore) models

Source: StarHub — PR39 Mobile Broadband Modem User Guide (PDF)verified · updated 2026-10-05

FAQ

What is the default password for the StarHub (Singapore) PR39 Mobile Broadband Wireless Modem?
The StarHub (Singapore) PR39 Mobile Broadband Wireless Modem default login is root / 1234 at http://192.168.100.1.
What is the default login IP for the StarHub (Singapore) PR39 Mobile Broadband Wireless Modem?
The StarHub (Singapore) PR39 Mobile Broadband Wireless Modem default login IP is 192.168.100.1 — open http://192.168.100.1 in a browser on the router's own network.
What is the default username for the StarHub (Singapore) PR39 Mobile Broadband Wireless Modem?
The StarHub (Singapore) PR39 Mobile Broadband Wireless Modem default admin username is root. The matching default password is 1234.
How do I factory-reset the StarHub (Singapore) PR39 Mobile Broadband Wireless Modem?
To factory reset, press and hold both the WPS and Reset buttons simultaneously for at least 10 seconds. Connect over WLAN and browse to http://192.168.100.1 (or http://192.168.21.1 if connected via USB), then log in with username root and password 1234 per StarHub's official user guide.

Verification history (2)

Every time we've checked this model's default credentials, oldest first — including when nothing changed. Absence of change over time is itself the evidence.

  1. 2026-10-05First verified· static
    source →
  2. 2026-10-05Re-verified, unchanged· static
    source →
All StarHub (Singapore) models →Identify a device by MAC →Report an error →