Additional microSD storage can be connected to your SHIELD. Connected storage is automatically connected as “removable storage” and SHIELD can read and write directly to the storage device. Apps and app data cannot be installed on “removable storage”. To increase storage for installing apps, connected storage must be formatted as “device storage”.
To format your storage device for “device storage”, select Settings > Device Preferences > Storage > [Storage device] > Set up as device storage. This will format and encrypt your storage device.
SHIELD TV is compatible with the FAT32, exFAT, NTFS, and HFS+ file systems.