After watching Apple’s launch event, I stayed up late to compile for everyone the SIM card slot and network support details for iPhone 18 Pro Max and iPhone Duo
Mainland China version exclusive: dual physical SIM slots + eSIM (cut-down version, only allows writing 2 cards)
Hong Kong, Macau version remains: single physical SIM slot + eSIM (full version, can write up to 8 cards)
EU, Australia, Singapore, and Hong Kong, Macau versions are the same
US, Japan, and the global versions are pure eSIM
iPhone Duo: globally unified
Mainland China version exclusive: dual physical SIM slots + eSIM (cut-down version, only allows writing 2 cards)
Hong Kong, Macau version remains: single physical SIM slot + eSIM (full version, can write up to 8 cards)
EU, Australia, Singapore, and Hong Kong, Macau versions are the same
US, Japan, and the global versions are pure eSIM
iPhone Duo: globally unified
