SDX70M

From The Apple Wiki

The Qualcomm Snapdragon X70 5G Modem is the baseband chipset used in the iPhone 15, iPhone 15 Plus, iPhone 15 Pro and iPhone 15 Pro Max.

it is also known as Mav23 in firmware.

Known Firmware Versions[edit source]

iOS and iPadOS[edit source]

1.00.03     17.0           (Build 21A326, 21A327 & 21A331)
            17.0.1         (Build 21A340)
            17.0.2         (Build 21A350)
            17.0.3         (Build 21A360)
1.11.00     17.1 beta      (Build 21B5045h)
1.12.00     17.1 beta 2    (Build 21B5056e)