Google has published a browser application for installing Android firmware

Google company presented new service Android Flash Tools (flash.android.com), which allows you to use the browser to install firmware on Android smartphones connected to your computer. Assemblies are formed on the basis of fresh slices AOSP (Android Open Source Project) master branches that have been tested in the continuous integration system and may be of interest to developers who want to test fresh changes in the Android code or check the operation of their applications.

For Android Flash Tool to work required API enabled browser webUSBe.g. Chrome 79. Supported by installing firmware on Pixel devices and HiKey boards.

Source: opennet.ru