I bought archer c60 2 days ago. my hardware version is v2 but now i wanna uptade it into v3 but im unable to update it.whenever i tried to update it it only show me invalide file type.currently Im living in bangladesh. In my country there is no such an update till now. I tried to update it with us and canada firmware but it couldnt update. If you guys want you can cheak it through remote access. please take this issue seriously and help me out asap