Hey Octavian
There are many Speedtouch routers so just tell me what model is it
Speedtouch 510 v4.0
Speedtouch 510 v4.2
Speedtouch 510 Alt
Speedtouch 530
Speedtouch 540
Speedtouch 545
Speedtouch 570 v1.0
Speedtouch 570 v2.0
Speedtouch 570 v4.2
Speedtouch 608
Speedtouch Firewall

It must be one of these ones above