Nexus 7 (2013) is the second iteration of the flagship tablet designed and developed by Google, in conjunction with Asus. With improvements across the board, the Nexus 7 (2013) features a 7-inch, 1200 x 1920 display, a Qualcomm Snapdragon S4 Pro quad-core chip, 2 GB of RAM, and 16 or 32 GB of internal storage.
All the variants of Nexus 7 (2013) have received support from Google for Android 6.0.1 Marshmallow. For those who have not yet received the OTA, factory image can be used to update this tablet. If you are interested, a detailed tutorial is given below.