The iOS 26.3 release candidate includes references to a pair of unreleased chips that are in the M5 family, according to information found by Nicolás Alvarez and shared with MacRumors.

The iOS 26.3 RC mentions two unreleased SoCs, T6051 and T6052, with associated H17C and H17D platform names. The 17 is a reference to the M5, as the standard M5 chip is numbered H17G. Typically, the “C” lettering is used with a Max chip, and the “D” lettering is used for Ultra chips. G is used for standard chips, and S…

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