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Author Topic: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3  (Read 1625 times)

aworkofmarc

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Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« on: November 05, 2022, 11:48:14 PM »
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?

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Walter Schulz

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Re: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« Reply #1 on: November 06, 2022, 12:55:15 AM »
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aworkofmarc

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Re: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« Reply #2 on: November 06, 2022, 12:59:17 AM »
Thanks Walter....

Found this too...

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Walter Schulz

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Re: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« Reply #3 on: November 06, 2022, 01:10:12 AM »
BS info included but valid for 1.3.5
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aworkofmarc

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Re: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« Reply #4 on: November 06, 2022, 01:24:16 AM »
....
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LoriHarvey

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Re: Can 5D III Firmware be reversed form 1.3.5 to the required 1.2.3
« Reply #5 on: January 11, 2023, 09:21:31 AM »
Quote from: aworkofmarc on November 05, 2022, 11:48:14 PM
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?
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