I have a DLINK DSL-2750U - HW:V1
and I would like to reverse its frimware. for start I search for a frimware
version that could matched with my device I found some image to download. you can also find this image on the DLINK
website. this url might help you if you want do it step by step with us.
https://dlinkmea.com/index.php/site/SupportResource
In above url I search for DSL-2750U
then I select a proper version for my device for me the lastest version that I could install on my device was H/W Ver. V1/V2 F/W Ver.1.16_ME
. you can also could select right version for yourself.