@AwniSula_780832 It won't work unless you have credit to pay for all usage.
Turkey in not in the EU and so you do not qualify for EU Roaming.
Please seee p19 & 20 of the Price Guide for details: https://cdn.smarty.co.uk/files/SMARTY-Price-Guide.pdf?_gl=1*ghxvel*_ga*MjA5ODc3MzU1My4xNzI2MTM1Njc3*...
