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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 OVERVIEW

For the blank phone sim:
  1. Have your credit PIN ready (or buy here) LINK
  2. Add the credit via the web portal here: https://www.three.co.uk/Web_top_up
  3. Add credit & purchase add-on with some or all of that credit
  4. Note; you only get free data roaming if you have an active add-on
Click HERE to see full activation guide with screenshots and FAQs.