We uploaded all 3 passes/photos (2 original and (in our case) 1 booster. The date of your last vaccine is currently very important. The rules may change again but prior to our cruise you needed to be vaccinated within 9 months (270 days) of final dose in primary series OR at least 1 booster shot. The 270 days must extend to the final day of the cruise. The app had capacity for all our of photos so, if required to do so and subject to any further safety requirements I’d recommend uploading all images.