What is recommended before installation of Android 12?

[tarekma7]

Backup your data.
Get familiar with the newest version of Android 12.
Have your login information handy.
Dig into feedback about the latest updates performance.
Cleanup your phone’s storage.
Find fixes for potential problems.
Check in with IT.
Check app reviews and install updates.

Follow these steps and you should be able to avoid major issues.

[dinosaur07]

In a simpler words: don't upgrade.