QR code log in doesn't work, Bluetooth icon is grey - Nucleus

1. Please check no other 3rd parties apps aren't still connected
2. Close down any 3rd party apps and in advanced settings choose 'DISCONNECT BLUETOOTH DEVICES'

If Bluetooth is still showing grey

1. Activate BLE
2. Swipe up from the bottom of the screen
3. Click the centre circle to minimize our app
4. Click the Settings app icon (within 5 seconds or Hub app will open again)
5. Enable Bluetooth from the settings