09-14-2026, 12:21 PM
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#1 |
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Junior Member
 Posts: 2
Karma: 10
Join Date: Sep 2026
Device: BOOX Note Air 3C
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Downgrading Note Air 3C - need custom recovery
Hi,
I’m trying to downgrade my Note Air 3C from firmware 4.2 to 3.5.4. I’ve already made a full EDL backup. Because of the anti-rollback protection I need a custom recovery that can install the older update.zip. Does anyone (especially @Renate) have a working custom recovery image for the Note Air 3C that I can flash via EDL? Thanks in advance! |
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09-14-2026, 04:47 PM
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#2 |
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Junior Member
Posts: 3
Karma: 10
Join Date: Aug 2026
Device: Onyx Boox Note Air3 C
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Apparently nobody has taken care to save 3.5.1 for Air 3C or at least its bootloader.
 Fortunately, there are reports that the unlocked bootloader for Note Air 3 works on 3C too. https://www.mobileread.com/forums/sh...d.php?t=371425 |
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09-14-2026, 09:33 PM
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#3 |
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Junior Member
Posts: 2
Karma: 10
Join Date: Sep 2026
Device: BOOX Note Air 3C
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Thank you but I'm actually looking for a custom recovery that can run 'start autoupdate' to flash the old update.zip.
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