Which mobile phone can I use to top up my Navigo pass?
To top-up your Navigo pass, you need an NFC-compatible mobile phone and one of the Android or iOS applications available.
Most NFC-enabled Android phones with at least Android 6.0 are compatible.
All devices from iPhone 7 and upwards are compatible with at least iOS 13 and iOS 14.5 for iPhones XR, XS and XS Max.