Most RecentMost ViewedMost LikesWhen should I start using my SIM? Know when’s best to insert your new SMARTY SIM into your device for a smooth set up. Keeping your number Keep your old number and bring it over to SMARTY Activating a spare/bonus SIM or a SIM bought in a shop or other online supplier Have a SMARTY SIM at hand and want to activate it? Here's how to do it. Activating my SIM Begin your billing month and start using your shiny new plan