the Universal Method détailled
the same as for regular update…
.
(it is recommended to take a backup of your things in case)
download the latest /e/OS build for your device
it must be named like e-3.2-a15-20251023539369-community-instantnoodle.zip
if you found something named like IMG-e-3.2-a15-20251022539003-official-FP6.zip
use the right clic to copy the link, paste it in the adress bar of your browser, remove the 4 IMG- carracters and press enter to download e-3.2-a15-20251022539003-official-FP6.zip
DO NOT APPLY FACTORY-RESET → do not format /data