NVIDIA has temporarily suspended the OTA push out of Android 6.0 Marshmallow for their Shield Tablet. Apparently, a number of users started experiencing dropped WiFi signals after installing the update. Here's a quote directly from NVIDIA, If you are experiencing these or worse issues after the Marshmallow update head to the source link below for more details. Here's our dedicated section for the NVIDIA Shield Tablet: NVIDIA Shield Tablet Source: https://forums.geforce.com/default/...read-released-02-01-16-/post/4796213/#4796213