OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Announcing OpenSprinkler Unified Firmware 2.1.9 › Reply To: Announcing OpenSprinkler Unified Firmware 2.1.9 November 14, 2019 at 11:09 am #63276 RayKeymaster @mmavrof: sorry, my message was meant for those who have OS 3.x with wired Ethernet module. Since you have OS 2.3, that doesn’t have replaceable ethernet module, so we will have to try to resolve it through firmware changes.