I'll borrow another phone to see if this helps, I have set up the lb100 bulb in the past with a huawei p9. I've not thought the app maybe incompatible with a note 9 I'll report my findings

Hello I am unable to get the Kasa app to pair with the above Socket and also a LB100 I have a note 9 with the latest Kasa installed, I Click on add device and select Smart Plug HS/100/HS110 icon...