Firmware Downgrade? Canon SD980 - General Discussion and Assistance - CHDK Forum
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Firmware Downgrade? Canon SD980

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Offline Legion5

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Firmware Downgrade? Canon SD980
« on: 12 / June / 2010, 12:51:59 »
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After through research I found my perfect camera, the SD980, with fantastic image quality and super small size it's great.

The problem is that I have firmware 1-7.0.1.0 which doesn't support CHDK.

After doing some reading I figured out that if I get a copy of the 1.00C firmware and find or plead some one to make a firmware update program that will let you downgrade I'd be set (the update program I've read only prevents firmware downgrades by doing a check, nothing more).

If anyone can help get CHDK on my camera, I'd greatly appreciate it.
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Offline titbb

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Re: Firmware Downgrade? Canon SD980
« Reply #1 on: 12 / June / 2010, 13:36:50 »
Search function does wonders tbh.

ATM there is NO way to downgrade the FW for this camera.
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Offline fe50

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Re: Firmware Downgrade? Canon SD980
« Reply #2 on: 12 / June / 2010, 13:47:58 »
Hello & welcome, Legion5 !

Quote from: Legion5 on 12 / June / 2010, 12:51:59
The problem is that I have firmware 1-7.0.1.0 which doesn't support CHDK.
1-7.0.1.0 isn't your real firmware version number.
Read a bit in this wikia article: http://chdk.wikia.com/wiki/FAQ#Q._How_can_I_get_the_original_firmware_version_number_of_my_camera.3F, you can also use CameraVersion or ACID to get your fw version from an image taken by your camera.

Downgrading a camera's firmware is not possible with the help of CHDK; a firmware dump (= extracted parts of the Canon firmware) can not be used to do a downgrade / to change the camera's firmware permanently.
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