The over three year old Nvidia Shield tablet has started receiving a new update. Arriving as upgrade 5.3, the update brings along a handful of changes, including the latest security patch as well as fix for WiFi and some other connectivity-related issues. So apart from the November security fixes, the update patches a couple of WiFi-related issues: KRACK and Broadpwn. Moving on, it also fixes connectivity issues with Zagg Bluetooth keyboards. And finally, there are some system stability and security optimizations as well. OS remains Nougat, and that won't be changing as it has...
Source: https://www.gsmarena.com/nvidia_shield_tablet_and_samsung_galaxy_a7_2016_getting_new_updates-news-28480.php
