Xiaomi Mi 9 (cepheus)
Version of iodéOS which existed previously: iode-4.12-20240526-cepheus
Version of recovery which existed previously: iode-4.12-20240526-cepheus-recovery
An almost identical negative update scenario as with the Google Pixel 3 (blueline)
Yes, I tried that too, but without success.
The update variant iode-4.14-20240724-cepheus-fastboot led to the same negative result:
Can’t laod Android system. Your data may be corrupt …
Résumé:
Neither intenes …
Local update
… nor the classic …
adb sideload iode-4.14-20240724-cepheus-ota.zip
… nor …
iode-4.14-20240724-cepheus-fastboot (flash-all.bat)
were able to update the system.
My solution(s) were: Using other custom recoveries:
PixelExperience_cepheus-13.0-20221127-0218-OFFICIAL.img
TWRP-3.7.0_12-0_26Jan2023.img
With both recoveries an error-free update via adb sidload iode-4.14-20240724-cepheus-ota.zip was possible.