Tell wife to keep the PW2 in "Airplane Mode" (wireless off) until you return and can deal with preventing (or preparing for) the 5.6.1 OTA update.
That is a
**must do**
Yes, things are nearly a year old, so is the PW2, this is its second year in production.
No, we haven't given up yet.
The activity here surrounding the PW2 5.6.1 firmware version should tell you that.