iOS 13 Apple Pay Suica Warning for EX App users

One of the early issues of using Apple Pay Suica was that the Suica card ID number would change every time the card was removed and re-added to Wallet, migrated to a new iPhone, or transferred from iPhone to Apple Watch. This was no problem for using Suica for transit and payment, but soft-linked services like JRE POINT and the JR Central Shinkansen EX App were a problem. Users had to manually update the Apple Pay Suica card ID number in those service accounts. If they did not, those services stopped working.

The good news is that Mobile Suica and Apple Pay fixed the issue in 2017. The bad news is that the issue is back again. JR East has done a lot of backend work on the Mobile Suica system to get the iOS 13 direct Suica card creation Wallet feature in place. I moved by main Apple Pay Suica card to test it on Apple Watch and noticed that the Suica card ID had changed. I thought I might need to issue an all points alert, but close investigation revealed that JR East has really improved things on the Mobile Suica system.

The official JR East Mobile Suica support position is that Suica card ID numbers can change when removed and re-added to Wallet. Softlinked Apple Pay Suica services like EX App (smartEX and Express Reservation) and Touch and Go Shinkansen stop working when the Suica ID number changes and need to have the registration information updated to re-link the services.

My own experience is the Suica card ID number changes, once. After that, moving Suica around doesn’t change anything. I suspect this is related to the changes in iOS 13 Wallet. Another interesting change is that the JRE POINT system automatically updates a changed Suica ID number from Mobile Suica. It just works. Hurray!

Softlinked Apple Pay Suica services like EX App (smartEX and Express Reservation) and Touch and Go Shinkansen are still a problem. Touch and Go Shinkansen users simply register their device again at a JR East station kiosk. Apple Pay Suica & Express Card EX App users need to open up Suica App, tap the Express Reservation option and login to EX via the shitty little mobile EX browser window. You should see a “Your Registered Device has changed” and a “Update” button. Tap that and all is done. You can confirm the updated Suica ID number in EX App.

I do not have a smartEX account and cannot confirm this, but I suspect users need to update any changed Suica ID number manually in the EX/smartEX Apps. In the future I hope that JR Central does a better job of dynamically connecting their EX system with Mobile Suica.

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