The most important thing about the ticket(s) is the barcode. The barcode will scan at the entrance by a scanner. If your phone screen is not broken, cracked or dirty and the brightness is on 100%, we can scan the barcode well. Please note that in some events there are internet signal problem, so it always a good idea to print the ticket(s) in advance.
I don't have printer, can I show the ticket with my phone?