Occasionally you will need to wipe the Waiter App cache, e.g. after an upgrade or if you need to switch restaurant IDs. The way to do this sometimes varies from device to device, but generally the steps are:

  1. Go to the Application Manager on the tablet (Settings > Application Manager. Sometimes called 'Applications' or 'Apps')
  2. Navigate to Epicuri Waiter
  3. Hit "Clear Data"
  4. Open up the Epicuri App as usual, and log in with your credentials and restaurant ID

Alternatively, uninstalling and reinstalling the app from the google play store will have the same effect.