Downdate, reliability

I request an option for a user to downdate the e.foundation version using a sdcard or usb-stick.

The e.foundation downdate, or an update if you are brave (wlan in moto g5 cedric fails, and I gues nobody tested the version 1.21r with a real device) is stored on sdcard.
The user selects it with a file browser and selects update. The Version and hash values of the firmware file are shown and the user shall confirm them against hash values shown on the download page.
If the firmware does not belong to the hardware a warning shall be produced and the update shall be blocked with an override option which is protected by entering a mantra of 23 letters.

The user selects install firmware (update or downdate depending on version on sdcard)

This update / downdate shall be possible without loosing apps and data!

Regain your privacy! Adopt /e/OS the deGoogled mobile OS and online servicesphone

1 Like

Hi @luja, welcome to this forum

This how i manage updates or downdates versions for now running e-1.21-r-20240323388943-dev-jfltexx on my device Galaxy s4 (jfltexx) GT-I9505 from the recovery mode.
But some recent devices have an anti-roolback feature.

Here’s a link …https://source.android.com/docs/security/features/verifiedboot/verified-boot#rollback-protection

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