: Ensure the drive is formatted to FAT32 . Most speakers cannot read NTFS or exFAT formats.
: To connect a phone, switch to Bluetooth Mode . Look for "YS2198" or "YS-Series" in your phone's Bluetooth settings. Download ys2198 zip
: Press the Mode (M) button on the speaker or remote until it says "USB Mode" or "TF Card Mode." Common YS2198 Features & Troubleshooting : Ensure the drive is formatted to FAT32
: Plug the drive into the corresponding slot on the back of the YS2198. Download ys2198 zip