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@kagourakos
Not being able to dump non-vol or any other region to an SD is expected when a device has stuck on the logo splash screen because the card is looked for only after maps and other essential files are loaded during the boot cycle.
There are 3 possible reasons to explain why Cure3 fw is not working to re-enable Mass Storage Mode:
(i) You've made some error in making the cure fw (unlikely); or
(ii) the Cure3 method doesn't work for your astro's firmware (also unlikely); or
(iii) the device is not 'soft-bricked' at all and rather is experiencing a flash chip problem.
If you've made multiple attempts making the cure fw and also tried QuickCure3 unsuccessfully then the astro may well be in the early stages of a hardware failure and no software methods can help that as you'd understand.
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9th May 2026, 01:48 AM #36Garmin/GPS Systems GMod.
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