Your head and shoulders should be in close-up, with your face clearly visible and filling approximately 70% of the frame (in the same way it would for a passport or driving licence). The image must be in sharp focus. Please make sure that your face is not obscured by hats or hair.
Railcard are available offline for a period of up to 72 hours. The Railcard app on your device will continue to show your digital Railcard as long as your mobile device has connected to the internet at some point within the last 72 hours.
Under 'Choose the type of Railcard you would like' you can select if you want a 'Digital' or a 'Plastic' Railcard. You will be asked to provide a digital passport-style photo if you select 'Digital'. You do not need a photo if you have ordered a 'Plastic' Network Railcard.
You can store your digital Railcard on up to two devices at a time. If you want to add it a third, you will need to remove it from one of your existing devices using the steps descirbed above.
Fortunately, if you click View Barcode or Transfer the ticket to your wallet, my experience is that you can just take a screenshot, message your friend the barcode, and the code works fine.
Using your RailcardYou can get your Railcard in a digital format to be stored in the National Rail Railcard app on your phone or tablet, or as a physical card. You can use your Railcard to buy tickets online, at a ticket office, from a ticket machine, and over the phone.