First turn on the Bluetooth by pulling the notification bar on top and tap on the Bluetooth Icon (should turn green when on). From there, open the app drawer (by tapping on the :: button) > Look for and tap on ES Explorer > tap SD card > scroll through for the folder your target file is stored in and open it > press and hold on the target file > tap Share from the pop up menu > tap Bluetooth > ...make sure that the destination device's Bluetooth is enabled (and set to Discoverable) > tap the Device name of the destination device if already paired or your Y220 should search and find the Device name of the target > (tap it and confirm transmission on both devices by clicking on Accept)...