FAQ
TL;DR: On T‑Mobile Fiber 300 Mb/s over Orange, use your own router via PPPoE; "login and password for the service from the contract, VLAN 35." Keep the ONT and tag VLAN 35 on WAN. [Elektroda, kashmiri, post #20061641]
Why it matters: It lets you bypass the locked Sagem interface while keeping FTTH reliability and features you control.
Quick Facts
- The GPON ONT must remain; attach your own router behind it. [Elektroda, KOCUREK1970, post #18369917]
- PPPoE username format: 48998xxxxx (no +48). Password: on your contract. Tested on Asus/Funbox 2.0. [Elektroda, dabrowst, post #18872987]
- Set VLAN ID 35 on the WAN for Orange FTTH; then authenticate PPPoE. [Elektroda, kashmiri, post #20061641]
- Some setups later stopped, forcing a return to the T‑Mobile “PREMIUM” router. [Elektroda, dabrowst, post #18872987]
- Worked for almost a year on a Fritzbox with ONT + PPPoE + VLAN 35. [Elektroda, kashmiri, post #20061641]
Can I use my own router with T‑Mobile Fiber over Orange GPON?
Yes. Keep the operator’s ONT connected and place your router behind it. Configure PPPoE on the WAN and tag VLAN 35. A Fritzbox ran this way for almost a year. “Nothing more was needed.” [Elektroda, kashmiri, post #20061641]
What PPPoE login and password do I use?
Use your service number as the username in the 48998xxxxx format, without the +. Use the password printed on your contract. Enter both in your router’s PPPoE fields. Users confirmed this on Asus and Orange Funbox 2.0. [Elektroda, dabrowst, post #18872987]
How do I set up PPPoE on my router?
Follow these steps on a router connected to the ONT.
- Connect the ONT’s LAN port to your router’s WAN port.
- Set WAN type to PPPoE and tag VLAN ID 35.
- Enter the service number username and your contract password, then save and reboot. [Elektroda, kashmiri, post #20061641]
Do I have to keep the EchoLife HG8010H (ONT) connected?
Yes. The ONT must remain in place. You can attach your own router after it. “100% this device has to stay.” [Elektroda, KOCUREK1970, post #18369917]
Which VLAN ID should I set on the WAN?
Set a tagged VLAN ID 35 on the WAN. This matched Orange’s FTTH behavior. One user noted to “set tagged vlan 35” and it worked initially. [Elektroda, kozakis01, post #18467937]
Why does my PPPoE stay on “connecting” and never authenticate?
Use the username without +48, like 48998xxxxx. Some connections later failed despite correct settings. In such cases, users reverted to the T‑Mobile “PREMIUM” router. Reboots and resets did not help. [Elektroda, dabrowst, post #18872987]
Will a Fritzbox work with this connection?
Yes. It ran stably for almost a year with the ONT. Use PPPoE and VLAN 35. Use the login and service password from the contract. “Nothing more was needed.” [Elektroda, kashmiri, post #20061641]
Will an Asus router or Orange Funbox 2.0 work?
Yes. They authenticated using the service number as username without +48. Later, the connection stopped and only the T‑Mobile router worked. Restarts and resets did not solve it. [Elektroda, dabrowst, post #18872987]
I don’t see a VLAN option on my D‑Link DIR‑825—what now?
This connection expects VLAN ID 35 on the WAN. If your firmware cannot tag VLANs on WAN, PPPoE cannot authenticate. Consider using a router confirmed here to tag VLAN 35, like a Fritzbox. [Elektroda, kashmiri, post #20061641]
Where can I get my credentials if they aren’t on my contract copy?
Ask your point of sale or support for the additional contract page. It lists items such as subscriber identifier and service password. Use the service login and password for PPPoE authentication. [Elektroda, Lenar_R, post #18451551]
Will this setup work for the 300 Mb/s plan?
Yes. These instructions target T‑Mobile Fiber 300 Mb/s on Orange infrastructure. They explain how to authenticate using your own router. [Elektroda, bartplus, post #18369645]
Why did it work for a while, then stop on TP‑Link?
A user set tagged VLAN 35 and authenticated, then it stopped after a swap. The same failure appeared on a second TP‑Link without changes. They planned to contact T‑Mobile support. [Elektroda, kozakis01, post #18467937]
Is the T‑Mobile Sagem router locked down, and can I avoid mojewifi?
Yes. Management occurs via mojewifi.t‑mobile.pl and options like WPS and USB were locked. To avoid these limits, use your own router behind the ONT with your credentials. [Elektroda, bartplus, post #18370294]
