If you prefer the classic look, you can easily revert Phone by Google app UI back to the old design. New Phone app UIHere’s a step-by-step guide. Step 1: Uninstall Updates for the Phone AppThe Phone app comes pre-installed on most Android devices, which means you can’t uninstall it completely. Here’s how to do it:Method 1: From the App IconLong-press the Phone app icon on your home screen or app drawer. With a few quick steps, you can revert Phone by Google app UI to the old layout and disable updates to keep it that way.