If you are not using her device in any rules, and the presence sensor isn't working, then yes, delete the her device and create a new one. If you are using her device in any rules, then wait until the next update is released.
If you are not using her device in any rules, and the presence sensor isn't working, then yes, delete the her device and create a new one. If you are using her device in any rules, then wait until the next update is released.