One of the best features of the old UI is its customization options. You can change everything from the look and feel of your interface to the way your phone behaves. You can also personalize your notifications and alerts to fit your needs. The old UI also comes with some unique features that you won't find in the new UI, such as the ability to split-screen your apps.
How to Filter Notifications in One UI 7 on a Samsung Phone | Beebom
The old UI is also very stable and reliable, which makes it perfect for everyday use. You don't have to worry about bugs or glitches disrupting your experience. The old UI is also very secure, with built-in features to protect your device from malware and other threats.