Hallo, i have another Problem after i got to know where Speed-Problem (125 Mbps instead of 250 Mbps) is.

I bought a Fritzbox 7590 second hand one. Now i dont know how do i setup Telekom-Internet.

Should i reset it before i connect it to Telekom or should i also use Speedport Smart Router along with FB 7590 ? 

Because when i connect DSL-Cable and Power on the FB7590, WLAN-LED just blinks forever and when i press connect button, all the 3 LEDs blink for few seconds and nothing happens.

LAN to Computer Connection is not detecting the Router(FB7590) and WLAN is also not showing up. in WiFi search..

Any idea how i proceed further or have i bought a defective Device by any chance ??? i am not able to update the Firmware of the Router also...

Hope someone did go through this Problem... waiting for your Suggestions...