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General Help Q&A / Re: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« on: January 11, 2023, 09:21:31 AM »Thinking about buying a used 5DII but so many now have the 1.3.5 firmware.
Can it be reloaded with retro 1.2.3?
Have you bought it?