Android phones have File Manager app that you can use to move photos from phone's internal memory to SD card. If your device doesn't have ES File Explorer app, download it from Google App store.Open File Explorer and select Images option. Select photos that you want to move to SD card. Tap Move to option at the lower-right side of the phone screen. A menu will appear. Select your SD card from the menu. Select a folder on your SD card into which you want to move the photos. All the photos are moved from internal storage of phone to the external SD card.