Android 7.1.1 Apk _best_ - Root

Go to Settings > Security > Enable Unknown Sources to install APK files.

Download the Magisk ZIP file, boot into TWRP recovery, and flash the file to achieve a "systemless" root that preserves the integrity of the core system partition. Benefits and Risks of Rooting Android 7.1.1 Root Android 7.1.1 Apk