Apple engineering closed my January 2018 iOS 11.2.5 Suica error flicker bug report with the release of iOS 12.1 beta 1: “We believe this issue is resolved in the latest iOS 12.1 beta.” Based on this iOS 12.1 includes bug fixes and performance improvements for Apple Pay Suica Express Card issues that users have experienced on iOS 12.0:
- Express Transit Card transit gate error flicker
- Unresponsive Express Transit at transit gate with Apple Pay authentication request
- Suica Notifications stop working/Suica card balance doesn’t update
- Slow or failed Apple Pay Suica Recharge attempts
Affected devices: iPhone 7 (JP models only), iPhone 8, iPhone X. Some Apple Watch users have complained of similar Suica problems with watchOS 5.0, the watchOS 5.1 update will hopefully address those as well. iPhone XS/XR are not affected by iOS 12 Apple Pay Suica issues thanks to A12 Bionic NFC features. Be on the safe side and backup your device before updating. See updates below for the latest information.
iPhone X Suica issues on iOS 12
The iPhone X Suica performance situation remains complicated due to the long running iPhone X NFC hardware issue and Apple‘s refusal to acknowledge it publicly. As previously reported, software updates do not fix the NFC hardware issue with iPhone X problem units manufactured before April 2018, the only fix is getting an exchange from Apple Support for a Rev-B iPhone X. See the iPhone X Exchange Guide for details. Rev-B iPhone X users who never had Suica problems on iOS 11.x report regular error flicker on iOS 12.0.
iOS 12.1 beta Suica performance
Reader reports of iOS 12.1 beta Suica performance were few but mixed. One reader reported that all versions of iOS 12.1 beta did not fix Suica error flicker problems on his Rev-B iPhone X. Another user also reported Suica error flicker with the iOS 12.1 beta, device unknown.
My experience with iOS 12.1 beta on iPhone XS was a positive one but as I wrote earlier, Suica on A12 Bionic is a whole new thing. Suica on A12 does not use iOS for basic operations. One strange episode with iOS 12.1 beta 5 proved this: Suica Express Card went dead, Suica notifications went dead but Suica kept silently working on every reader anyway. The closest thing to describe it is that the Express Card power reserve feature kicked in with iOS still up and running with plenty of battery power, and completely bypassed it.
I hope that the Apple engineering resolution of my iOS 11.2.5 Suica error flicker bug report means Apple Pay Suica performance bugs are fixed for everybody in the iOS 12.1 update. I’ll be in contact with Rev-B iPhone X users who experienced daily Suica error flicker on iOS 12.0 and will report their iOS 12.1 Suica experiences ASAP.
Early feedback is not good: Rev-B iPhone X users are still experiencing transit gate error flicker with no apparent change from iOS 12.0. It looks like that issue has not been fixed for iPhone X Suica users. I will post updates as reports and details come in.
Unfortunately some Apple Pay Suica Express Card performance issues are not fixed in iOS 12.1: regular error flicker continues to be a problem especially for iPhone X users on transit gates with some users even having troubles with convenience store readers. Meanwhile iPhone X users everywhere are reporting battery issues with the iOS 12.1 update. I wouldn’t be surprised if the issues are related. Apple clearly needs to keep working on Suica Express Card and battery bug fixes.
iOS 12.3 fixes all Apple Pay Suica issues and is highly recommended for Suica users
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