Welcome to Woot Town! For I am en-wirelessed.
And it's
English Language Woot Town too. I don't know if this works for all D-Links, but it does for the DIR-605. So, presuming you have found your way into the router web interface, and can find your way to
this screen, then that button right at the bottom, when pressed, instructs the router to clear any language packs. This leaves the router with, I guess, the factory set language, namely, English. Tip discovered
heyah. And what (I believe) that guy's step 2 means is: "【Maintenance】 →【Save and Restore Settings】, press 【Clear Language Pack】"
Worked for me, anyway.