General Stability not due to Power Supply
In some other cases the Firmware on Homey may be corrupted over time.
Homey (Pro) 2016 - 2019 : For the first generation Homey’s (All White Ball) use the following article to choose in Recovery for a Full Software download. [HowTo][Pro] Restarting Homey Pro to Recovery Mode - Adv. Options From Mobile
Homey Pro (Early 2023): use https://support.homey.app/hc/en-us/articles/7263435817116-Connecting-Homey-Pro-Early-2023-to-a-PC-Mac-with-USB to connect to USB on a Computer to select an Firmware update.