How to add a description to a photo using a voice captioning feature? Estimated reading: 2 minutes Step 1 Step 2 Step 1 Open Filio App, on the bottom right, tap on Camera. Step 2 Take a picture then:Tap on the “Add caption” button, which looks like a small microphone icon.Hold down the microphone icon and record your voice caption for the photo.Once you finish recording, release the microphone icon.The voice caption will be automatically transcribed and added as a description to the photo.Save the changes to the photo.