SUR LYCAMOBILE INTERNET 20 EUR CODE

If you want to recharge your Lycamobile $45 Prepaid plan online. You will get Unlimited nationwide talk, text, and data. In data you will get 10GB high-speed internet along with the unlimited international text.I have a unlocked phone, joli my SIM ut not work in that phone. My phone says it is invalid SIM. What should I ut? Can you send me a unlock