Once it is switched on to loud mode you then want to turn up the volume from the side buttons or from the side up menu. If the toggle is showing and orange colour then it is on silent so just flick that the other way. The first step and generally the most overlooked one is to ensure that the silent/ loud toggle button on the side of the device is switched to the loud mode. Thankfully there are easy fixes for these no sound and speaker problems. More often that not when your watching videos on Facebook the sound seems to not play at times. Facebook videos have no sound on iPhone or iPad How to Fix
