Manually moving between different versions of Funtouch OS.
Originally shipped with Funtouch OS 3.2 based on Android 7.1 (Nougat) . vivo y75a global firmware hot
No. vivo has an anti-rollback mechanism. If you install the global firmware hot (Android 12), you cannot go back to Android 11 without bricking. Manually moving between different versions of Funtouch OS