If you want to disable the service charge, follow below guide
Start POS application from your tablet.
Log in as manager or admin
Click Setting
On Setting page, Expand Operation settings section by clicking "show"
Change the rate of service charge to 0%
Uncheck "Apply as default"
Uncheck "Taxable"
Click "SAVE" button on top right corner
Go back to previous (main) page
Click "SYNC"
The service charge should be now disabled.
Go to other tablets if you have more. Log out and log back in. Or you can simply restart application.
Go to Setting
Go to Menu Manager
Open a browser (Chrome, Safari or Edge)
Go to https://dashboard.boriumstudio.com
Login with the credential you use on dashboard application.
Click 3 line icon on top
Select POS MENUS
Click a category
Click a menu to change the price.
Change price
Click "SAVE"
After all menus changed,
Go to POS application and click "SYNC" button to apply the changes