A system for remotely managing a mobile device used as a payment terminal, the mobile device being distinct from a dedicated payment terminal, the mobile device implementing Point of Sale (POS) functionality provided by a secure element, the secure element being configured to execute a payment acceptance applet, the system comprising a non-transitory computer readable storage medium comprising computer-executable instructions, a central processing unit and a communication interface, the computer-executable instructions, upon execution, causing to execute:
- selecting, based on a configuration of the mobile device, from a plurality of payment acceptance applets, the payment acceptance applet;
- loading the payment acceptance applet on the secure element;
- activating the payment acceptance applet;
- performing a mutual authentication between the remote system and the payment acceptance applet;
- and
- loading at least one of a cryptographic certificate or a private key in the payment acceptance applet.