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Firmware. Teams must use VEXos version 2.2.1 or newer on Gen1 Brains, or VEXos version 1.0.8 or newer on Gen2 Brains. The latest firmware can be found at https://link.vex.com/firmware. Custom firmware modifications are not permitted.
• The minimum version requirement is subject to change over the course of the season.
• When the minimum version is updated, Teams have a two week (14 calendar day) grace period from the time the minimum version is changed to update their firmware to the latest minimum version.
• VEX Robotics reserves the right to deem any firmware update critical, and remove the allowable grace period.

Game Rules Index