salam 2din se mera net browsing nahi ker raha tha gateway he open nahi hoa exchange ke taraf se kaha gaya k apka modem khaarab hogya hai so app application likho apko ye modem change ker k dege aur dosre modem k leay ap ko 1 thousand dene hoge ,ek hazar payment k baad exchange se dosra lekn old n used modem diya gaya jo ub working hai.kya koi bata sakta hai modem exchange k charges ptcl ko kitne dene parte hein aur kiya used old modem exhange me dete hein.anybody has information regarding this plz tell me