Registration is open for the Android 13 Preview Program for Vivo X80 Pro and iQoo 9 Pro smartphones in India. Only selected 500 users will be able to try the Android 13-based Funtouch OS 13 update starting from August 23.

source https://gadgets360.com/mobiles/news/vivo-x80-iqoo-9-pro-android-13-preview-program-release-date-august-23-3260583#rss-gadgets-all