Sony Alpha 7S III (ILCE-7SM3)
firmware v5.01
Sony · Released May 28, 2026 · First seen Jul 4, 2026
v5.01 is the latest firmware for the Sony Alpha 7S III (ILCE-7SM3), released May 28, 2026.
What's in this update
Please read this page before proceeding to the latest update. You will find the benefits and improvements of the latest update explained on the download page.
updatemystuff.com never hosts firmware files — always download from the official source.
Get it from SonyWatch the Alpha 7S III (ILCE-7SM3) for updates
Create a free account and get an email the moment Sony publishes new firmware.
Create account & watchSee the full firmware history for the Alpha 7S III (ILCE-7SM3)