A method of personalizing a secure element (eUICC), comprising: • a step of receiving a personalization request issued by an operator to download a personalized profile into a secure element (eUICC1), said request including personalization data and an identifier of the secure element (eUID1); • a step of generating a personalization script (ScrP1) for said secure element (eUICC1); • a step of sending the personalization script (ScrP1) to said secure element (eUICC), said secure element (eUICC) being suitable for executing said personalization script (ScrP1) to install said personalized profile in said secure element (eUICC1), the method being characterized in that:. in said personalization request, the personalized profile is in compliance with a profile model (Temp 1), the operator issuing either this profile model (Temp 1) or an identifier (Temp1Ref) of this model in said request, and in that it comprises: • a step of using the identifier of the secure element to identify a pre-personalization server (SSPP) suitable for communicating a pre-personalization script, said script being suitable for pre-personalizing said secure element (eUICC1); • a step of receiving from said pre-personalization server (SMDP1) a message including a pre-personalization script (ScrPP1) for the secure element (eUICC1) based on the description of said profile model, the personalization script being generated using the pre-personnalization script (ScrPP1) and the personalization data. • a step of receiving a personalization request issued by an operator to download a personalized profile into a secure element (eUICC1), said request including personalization data and an identifier of the secure element (eUID1); • a step of generating a personalization script (ScrP1) for said secure element (eUICC1); • a step of sending the personalization script (ScrP1) to said secure element (eUICC), said secure element (eUICC) being suitable for executing said personalization script (ScrP1) to install said personalized profile in said secure element (eUICC1),. in said personalization request, the personalized profile is in compliance with a profile model (Temp 1), the operator issuing either this profile model (Temp 1) or an identifier (Temp1Ref) of this model in said request, and in that it comprises: • a step of using the identifier of the secure element to identify a pre-personalization server (SSPP) suitable for communicating a pre-personalization script, said script being suitable for pre-personalizing said secure element (eUICC1); • a step of receiving from said pre-personalization server (SMDP1) a message including a pre-personalization script (ScrPP1) for the secure element (eUICC1) based on the description of said profile model, the personalization script being generated using the pre-personnalization script (ScrPP1) and the personalization data. • a step of using the identifier of the secure element to identify a pre-personalization server (SSPP) suitable for communicating a pre-personalization script, said script being suitable for pre-personalizing said secure element (eUICC1); • a step of receiving from said pre-personalization server (SMDP1) a message including a pre-personalization script (ScrPP1) for the secure element (eUICC1) based on the description of said profile model, the personalization script being generated using the pre-personnalization script (ScrPP1) and the personalization data.