# \#os2
**URL:** https://community.ouster.com/tag/os2/13.md
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## [OS2 Firmware - Why is there no FW3.x.x](https://community.ouster.com/t/os2-firmware-why-is-there-no-fw3-x-x/470)
**Author:** [@schmaelle](https://community.ouster.com/u/schmaelle)\
**Replies:** 6\
**Last updated:** [July 31, 2026, 9:05pm UTC](https://community.ouster.com/t/os2-firmware-why-is-there-no-fw3-x-x/470 "2026-07-31T21:05:31Z")
Hi there, we are users of all three sensor models - OS0, OS1 and OS2 and even updated to the Rev7 to gain from the advertised benefits. In general, the Rev7 perform better than the previous generations, that is super a…
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## [Poll\_Count () Error in ROS 1 for Ouster OS2 LiDAR](https://community.ouster.com/t/poll-count-error-in-ros-1-for-ouster-os2-lidar/320)
**Author:** [@Snow-Svendsen](https://community.ouster.com/u/Snow-Svendsen)\
**Replies:** 1\
**Last updated:** [April 11, 2025, 3:41pm UTC](https://community.ouster.com/t/poll-count-error-in-ros-1-for-ouster-os2-lidar/320 "2025-04-11T15:41:28Z")
I have recently run into an issue with the LiDAR and I cannot seem to figure out what changed when I set up the equipment. I had the Ouster OS2 LiDAR working in ROS Noetic and I was able to visualize the point clouds in …
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## [Time Synchronization issues with Garmin 18x LVC](https://community.ouster.com/t/time-synchronization-issues-with-garmin-18x-lvc/280)
**Author:** [@Snow-Svendsen](https://community.ouster.com/u/Snow-Svendsen)\
**Replies:** 6\
**Last updated:** [March 18, 2025, 10:41pm UTC](https://community.ouster.com/t/time-synchronization-issues-with-garmin-18x-lvc/280 "2025-03-18T22:41:02Z")
I am new to the Ouster OS2 LiDAR and I have been following the documentation to synchronize the LiDAR with a Garmin 18x LVC GPS. Garmin: https://static.garmin.com/pumac/GPS\_18x\_Tech\_Specs.pdf#page=14&zoom=100,93,414 My…