A. 1. Ensure Bluetooth is enabled: Go to Settings > Bluetooth and make sure it is turned on. 2. Forget and re-pair the mug: In the Bluetooth settings, find the mug, tap on it, and select 'Forget'. Then, re-pair the mug by following the pairing instructions in the Ember app.

B. 3. Check for interference: Ensure there are no other devices causing interference with the Bluetooth connection. Move away from other electronic devices.