Internet connectivity in remote regions is spotty at best, and non-existent at worst. What if, in those regions, you require centimeter-level accuracy? Your choices are limited if you want real-time, accurate GNSS data. But you do have options. The Eos April 2018 issue feature article explains how Atlas Service helps.
In this iOS firmware update for Arrow, Eos clarifies and removes some confusion regarding the firmware update messages regarding Eos Tools Pro for iOS. There are two types of firmware for Arrow Series(TM) receivers: Bluetooth and the GNSS engine firmware itself. Here is how to update.