Great Phone Offers With All You Can Eat Data | Three.ie

How to Activate your SIM

How to Activate your SIM

 

If you have just joined Three, or if you have recently replaced your SIM card (due to a lost/stolen phone or a damaged SIM), you will need to activate your new SIM. 

 

To do this, go to three.ie/activate-my-sim and follow the steps outlined. 

Contributors