ah ganun pala yun? sgesge try ko palitan masterpangit yung cable, mabagal connection
noted po tysm po sa pg replyusually limited yung speed pag mabagal yung cable, usb 2.0 lang yung port kaya hindi full speed yung tether. try mo gumamit ng original/data cable, lipat sa usb 3.0 port, update/reinstall network driver ng tethering sa device manager kung 40mbps sa phone pero 6mbps lang sa pc, hindi yan tower speed limit, more likely cable/usb port/driver or pc network setting ang bottleneck.