After downloading the mesphotos app, you must log in to your account via this app. To upload photos on the iPhone/iPad-version you can click on the “Uploading”-icon placed in the top-right corner. It looks like an upward-pointing arrow on a line. On the Android version the icon looks like a cloud and it is placed in the lower-right corner. After clicking the icon, you get to choose which phone- or tablet-album you wish to upload photos from. Select the photos you wish to upload or click on “Select all”. The selected photos will be marked with a “Check”-icon. Lastly, click on “Upload photos”.