Good morning. I moved my DSL to my new apartment. The telecommunications engineer came and set the cable on 09.04.2018. But now I still have trouble with the synchronization. It means that the "DSL" signal light on the o2box keeps blinking. I have al

The activation pin for the home box has been entered? 

Are your able to open the home box web page?

Thank you for your reply. The O2box website shows "Bitte ueberpruefen Sie die Verkabelung Ihrer O2 HomeBox".

hello, "bitte überprüfen sie die Verkabelung" means, that on your router the DSL light is off or flashing, the LED have to be stabel

please contact the hotline under 0800 / 52 51 378 with a guy who is able to speak german, because english language often not spoken in our callcenter, sorry