3 UK Prepaid PAYG Phone SIM Activation Summary
Below is the Activation Overview. Full detailed activation guide with screenshots will be sent along with the SIM to you, and can also be found HERE.
ACTIVATION OVERVIEWFor the blank phone sim:
- Have your credit PIN ready (or buy here) LINK
- Add the credit via the web portal here: https://www.three.co.uk/Web_top_up
- Add credit & purchase add-on with some or all of that credit
- Note; you only get free data roaming if you have an active add-on