Fixed IP address

Is it possible to manually configure the IP address 201 is using?
When I enter the address manually, it is active until the next restart of the device when it turns back to DHCP address.

I am aware of that (I am Cisco CCIE) but I don’t understand why there is an option to configure it manually, which cannot be saved.
I got few different ranges in my network, and some of them contain strictly fixed IPs.
I wouldn’t say I like mac address reservations.

I have the same problem. On all my other devices I can choose between a IP address by DHCP or I can fill it in Manually. This should also be possible with the Rose. (I own a RS150B)

Hello, we are checking whether the saved value is changed.

Static IP settings
WIFI: Press and hold the WIFI in use for a few seconds
Ethernet : Settings > Ethernet > setup