Galaxy A70s was launched in 2019, but it came with Android 9 instead of Android 10. In comparison, The A71 launched 4 months later came with Android 10 along with One UI 2.0. Surprisingly, Samsung is giving OneUI 2.5 to this device now.
The new update for the Galaxy A70s is around 1.6GB in size, with the firmware version A707FDDU3BTH4. This also has the October Security Patch as well. Other than OneUI 3.0, there are no more updates for any device right now.
OneUI 2.5 contains all good stuffs that Note 20 came with, other than some nifty features meant for Note Series. You get WiFi Monitoring, Screen Recording, and many things.
The update is rolling out in India right now, and is available for download over the air. Or you can install update using Smart Switch as well.