I used Mycelium wallet on Android quite a while ago. I created a printed backup which consists of a 15-character password and two QR codes: The bitcoin address and the encrypted private key.
Meanwhile I switched to iOS, installed the iOS app and wanted to import my old wallet (which still contains Bitcoins). However, when I open the app and select "Restore from backup" it asks me to enter my Master Seed separated by spaces.
Sure enough, the backup does not contain a master seed and and entering the 15 character password does not work.
How to import the old wallet?