Samsung have come a long way when it comes to updates. Just within last 2 years Samsung has improved both update frequency and the delivery period. And Now Samsung is releasing Android 12 based on One UI 4 for Samsung Galaxy A72. Which is a Mid-Range device. And its one of the first A-series device to get the update while also the fact that Samsung have delivered just after 2 Months of general Android 12 release which is very impressive.
Samsung A72 is currently receiving Android 12 based on One UI 4 in Russia. The updated firmware version A725FXXU4BULA, and it also includes December Security patch update. And as usual with Samsung the roll out to other countries will expand in coming weeks.
For Most Users the update will be notified automatically when it releases in the respective country. But You can also check updates manually by going to Settings > Software Update.
For One UI 4 details : Click Here
Source : Click Here.