Tried each possible method first with empty usb key formatted in FAT32 and NTFS. Second with some media files on the root of the key without any folders and third with files on the root of the key...

Model : Hardware Version : Firmware Version : ISP : Hello, My router Archer D20(EU) V1 Firmware version 1.2.0 0.8.0 v0049.0 Build 160216 Rel.60153n. There is some problem with USB LED i.e when I...