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Firmware Downgrade

Hi there.

I think there were some topics how to install previous firmware version on Edge, but I could not find one.

I have Edge 520, FW 13.00.

1. I would like to downgrade firmware to earlier versions (something around 7.xx or something like that) - is that possible and how to do it.

2. Is there any limit in version number (I bought it with some very old FW (2.5 I think) and it used to turn on instantly - would love to have that again)

3. Which version is most battery-friendly and stable

Thank you in advance.

0 PeterK_55 over 4 years ago

Old firmware versions available here: http://gawisp.com/perry/edge/

Download the version you want, then rename the file to GUPDATE.GCD, and copy it to the Garmin folder on the Edge. Then unplug it and switch it on, and it should install that firmware version.

Downgrading will overwrite your personal settings, so back them up first if you want to keep them. See here https://support.garmin.com/ms-MY/?faq=eWswdSH4aC3xrXxmQj7U9A

If your device is a few years old the battery will have lost capacity, so rolling back firmware may not help much. FW 13 seems to be stable.

0 NathanSX200 over 4 years ago in reply to PeterK_55

How do you stop your device from simply “re-updating” when you connect it to your phone?

0 aweatherall over 4 years ago in reply to NathanSX200

See https://forums.garmin.com/sports-fitness/cycling/f/edge-520-520-plus/223420/new-edge-520-plus-version-5-40-now-available

0 PeterK_55 over 4 years ago in reply to NathanSX200

Hi,

To keep an older firmware version, various others have suggested placing an empty GUPDATE.gcd file in the Garmin folder to prevent updates from downloading. Otherwise you will have to disable the upload functionality in the Garmin Connect app and also avoid using Garmin Express.

Set - Device\Device Settings\Auto Upload =OFF

Set - More\Settings\Profile&Privacy\Data\Device Upload =OFF

You may also want to disable mobile data upload for Garmin Connect in your phone settings.

It means that you will need to manually upload files, which is less convenient.

0 3971710 over 4 years ago in reply to PeterK_55

Hi Peter, I have tried the above, i have the GCD file, I need to down grade as my 520 will no longer calibrate my limits power meter, could you tell me if ther eis another way to get the update to run? at the minute it is not changing the firmwear.

Thanks Ben

0 PeterK_55 over 4 years ago in reply to 3971710

Hi Ben, After you have downloaded the file, rename it to GUPDATE.gcd and copy it to the garmin folder on your unit, then unplug it from the computer.The downgraded version should install next time it re-starts. Note that all your settings will be overwritten so back them up first if you need to.

Peter

0 GrahamW over 4 years ago in reply to PeterK_55

It looks like that site is broken and the files are no longer available

0 cheracogoff over 4 years ago in reply to GrahamW

try gpsinformation.net/.../new.htm

0 9437547 over 4 years ago

link to 5.40 firmware:

www8.garmin.com/.../download_details.jsp

0 9437547 over 4 years ago in reply to 9437547

oops my mistake, this one is for 520 plus