EOS M3 firmware 101a - General Help and Assistance on using CHDK stable releases - CHDK Forum

EOS M3 firmware 101a

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EOS M3 firmware 101a
« on: 14 / July / 2016, 05:17:40 »
Hello everyone,
Does anybody know, where can I find the firm-ware 101a ?
I would like to downgrade to it from 110 like follows:

1. First download and install Canon utility software to your computer
2. Then download the firmware version 101a and save it in your local directory
3. Connect your camera using USB cable to your computer
4. Now Canon utility window automatically pops up.
5. Select camera settings/remote shooting under control camera tab
6. Then select setup menu in newly opened window there you could see the selection for Firmware
7. Click firmware then system will give you the option for update (either upgrade/downgrade)
8. Then navigate and point out the firmware which you like to upgrade or Downgrade.

Thank you in advance.
BR, Wianki
« Last Edit: 14 / July / 2016, 05:32:12 by HujaWianki »


Offline srsa_4c

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Re: EOS M3 firmware 101a
« Reply #1 on: 14 / July / 2016, 11:29:14 »
Please don't write multiple posts about a single problem. You won't get greater attention, but will surely annoy others.

First, your link here is broken.
Second, I'm not convinced that the camera will allow downgrading the firmware.
Canon has taken down all its links to their older 1.01 firmware upgrade, but you'll still be able to find it if you google this:
Here are the MD5 sums of the relevant files (EOS_M3.FI2 is the actual upgrade file, in the zip):
eosm3-v101-win.zip 122fd719104e17384d8f8ecfeed84c39
EOS_M3.FI2 4df089883db13f77f1f5af3060601611

Re: EOS M3 firmware 101a
« Reply #2 on: 14 / July / 2016, 12:04:09 »
Hello srsa_4c,
Thank you for the answer.
I have already 101 but I am looking for the 101a.
The guys in other threads assert that the downgrade is still possible.
So, I am really confused now :-(
BR, Wianki


Offline Ant

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Re: EOS M3 firmware 101a
« Reply #3 on: 14 / July / 2016, 14:40:06 »
"101a" is an internal name. For consumers it is "1.0.1"

Re: EOS M3 firmware 101a
« Reply #4 on: 14 / July / 2016, 15:51:06 »
Hello Ant,
Many thanks for the explanation!
Now, I only need an approach for the downgrading :-)
BR, Wianki


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