My 57950 died today after less than two years of use. Orbit provides no warranty so I will definitely switch to something else now.
Over the last two years I have developed a love-hate relationship with this device. Smart watering being the biggest issue. I have seen many, many gallons of water drain from my lawn into the gutter despite how much I adjusted (slope, soil etc.).
The 3rd party app support (like Homekit), firmware issues and the fact that the app often does not show what is going on (and thus does not allow me to stop the watering) were very frustrating.
I really wanted this device to work and invested a lot of time in it but if it doesn’t even survive 2 years then I give up.
Luckily there are many other alternatives these days that seem to be well appreciated by the people who use them