iOS 17 will bring major changes to dual-SIM iPhone models with the ability to sort messages by SIM, separate ringtones, and moreLastly, iOS 17 will also bestow dual-SIM iPhone models with the ability to choose a SIM before making a call to an unknown number. The feature is not currently available as users make calls through the SIM that is assigned to make calls. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon