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820 stuck loading maps after 12.10 update

I've just upgraded to the 12.10 edge 820 release, it appeared to install successful but after rebooting it can not get past the loading maps screen, what looks like a couple of horizontal pulsing dots in the background. I have the full Garmin UK maps as well as full UK OSM via a supp .img file, there's 4GB of available space.

I tried soft then hard resets with no luck, in the end i've mounted the unit as storage by holding down the lap button whilst connected to my computer, I'm in the slow process of reinstalling the Garmin map via express to see if that will help.

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0 ITBOFFIN over 5 years ago

Reinstalling maps and removing the custom maps has not helped, i'm going to try and revert to the previous version

0 ~o√ over 5 years ago

Same issue after upgrade

0 ITBOFFIN over 5 years ago in reply to ~o√

I've got mine working again apart from WiFi uploads by downloading the last firmware 11.20 booting into storage mode and deleting my startup.txt which has a custom message, then reboot again.

When it restarted it still had the custom message at first and showed v12.10 at the bottom of the screen but after a few mins that cleared leaving the flashing horizontal dots then it went into the setup mode.

Clearly something is not right with this upgrade process.

0 ~o√ over 5 years ago in reply to ITBOFFIN

Thanks for your feedback. I also have a custom message on start up.

I will try your procedure.

0 Antoine_MM over 5 years ago

Same issue...stucked in "loading maps"..:-(

Update: After a few new starts now loading maps and then after a while it just turn off...

+1 ~o√ over 5 years ago in reply to Antoine_MM

For me it now starts normally to main screen.

After being stuck to loading maps, I remember having holding power button then pushing sleep (or save mode my device is in French) that does nothing, and after I pushed the back button and the main screen appears. Since then it works fine. No need to downgrade the firmware.

0 Antoine_MM over 5 years ago in reply to ~o√

How do you get that working? When it is stucked in "loading Maps" you press sleep and then the back button?

0 ~o√ over 5 years ago in reply to Antoine_MM

Hold power button. There will be options: sleep, power off, back.

1st hit sleep (in my case nothing happens)

2nd hit back; the main screen appears

0 Antoine_MM over 5 years ago in reply to ~o√

Done - But after the back button it just returns to "loading maps"...:-(

0 ~o√ over 5 years ago in reply to Antoine_MM

It must mean I was very lucky or I missed something