The 6.2.204 releases are said to enhance the Route Preview feature and also bring improvements to the alarm and a swimming workout. 4 Reviews ← exclude selected types ← exclude selected tagsUpdates are rolling out to the Amazfit T-Rex 3, T-Rex 3 Pro and T-Rex Ultra 2 smartwatches. Reported by Amazfit smartwatch users on the 4PDA forum are firmware version 6.2.204.3 for the T-Rex Ultra 2 and firmware version 6.2.204.6 for the T-Rex 3. The Amazfit T-Rex 3 (curr. $251 at Amazon), T-Rex 3 Pro, and T-Rex Ultra 2 smartwatch updates are rolling out in phases to users.