Apple Pay China T-Union transit cards for Shenzhen along with an updated Beijing area card have been added for mainland China region users. It represents the first true release of China T-Union cards on Apple Pay that are already on Huawei, Xaiomi and other domestic smartphones. Shanghai remains in the older City Union format. Apple Pay China T-Union cards for Guangzhou and Foshan are listed as coming soon on the Apple Pay China page, China T-Union transit cards were announced in December. The release is simultaneous with the iOS 13.4.1 update but it’s not clear if updating is a requirement. iOS 13.4 is listed as required on the Shenzhen transit page, Apple Support recommends using the latest iOS.
China T-union cards are interoperable transit cards that work across the country, covering subway and bus transit for 275 mainland Chinese cities, similar to what Japan has with Suica, ICOCA, PASMO, etc., that work across the entire country. Unlike Japan IC transit cards however, China T-Union cards are limited to transit, they cannot be used for regular contactless store purchases or eTicket Shinkansen travel.
China T-Union uses the PBOC 2.0/3.0 protocol, the Chinese variant of EMV with the slowest NFC transaction speeds. All China T-Union transit cards on mobile are limited to Union Pay issue credit/debit cards for recharge and physical cards cannot be transferred, which makes them basically useless for inbound iPhone visitors to China, unlike the open inbound friendly Apple Pay Suica. Apple Pay has supported Beijing and Shanghai City Union transit cards since iOS 11.3 but were initially labeled beta because they did not fully implement the complete PBOC 2.0/3.0 spec. This is fixed with the China T-Union additions.
Once the long delayed Apple Pay Octopus for Hong Kong is released the Wallet transit card additions will eventually deliver Express Transit convenience to Greater Bay Area iPhone/Apple Watch users who were previously limited to China Union Pay (CUP) cards without Express Transit. Having 2 different Apple Pay transit cards in Wallet would not exactly be the same as the dual mode Sold Octopus•Lingnan Pass but it should be close once Apple Pay Octopus is released. It will be interesting to hear what the Apple Pay Greater Bay Area transit experience is like after all area services are rolled out.
There has been endless speculation about the release of Apple Pay Octopus after the planned launch was delayed in December, just after China T-Union Apple Pay cards were announced. Apple Pay Octopus was first announced in July 2019 but has yet to see release on iOS 13.4.x, the last major iOS 13 release.
Update: see the fun on YouTube (from the 1:44 mark), covers adding a China T-Union card to Wallet and using it on transit gate in comparison with QR Codes.