have mixed HW v2.1 & 4.1 ... all were working fine until I have upgraded my router from Plusnet Hub 1 to Hub 2 ... all stopped ... tried all tips (reset, turn G5 off, restart router, Mobile hotspot with ols router credentials, Mobile hotspot with new router credential ... nothing ... always Kasa will see the device, connect ot hte device .... then nothing the device's blinking orange/green continue ... Any ideas