If your Kyte is in the latest version, it will use your smartphone's language settings to select the country and its currency. The language in which Kyte appears (English, Spanish or Portuguese) depends on the phone's default language too.
To change the currency symbol you just need to open the Menu, in the upper-left side of the screen.
Tap on “Settings”.
The first option is the Currency Symbol, tap on it to set the currency.
Search for your country on the list and tap on it.
All set! you have selected a different currency successfully.
Now your sales and also receipts will use this currency symbol.