Android 4.1.2 was not just a security patch; it was a refinement of the Jelly Bean experience. When searching for an "extra quality" download, you are looking for a build that preserves:
While most apps now require Android 8.0 or higher, 4.1.2 is still useful for: android 41 2 update download extra quality
Stripping out heavy carrier and manufacturer skins (like early versions of Samsung TouchWiz) to free up RAM and CPU cycles. Android 4
Manually updating your Google Play Store to the latest supported version for your OS can help circumvent some compatibility issues. android 41 2 update download extra quality