How do I check my data balance?

Supriti Updated by Supriti

Download the full guide here: simsdirect-explorer-365-day-sim-guide.pdf

You will need to register and create an account with ThreeUK after you have activated SIM card.

  1. Go to
  2. Enter your Three Number (found on the back of the SIM) and submit
  3. You will receive the password to your My 3 account via text message
  4. Go to
  5. Enter your ThreeUK number and your new password, then Login
  6. You'll need to reset your new password & validate your email address
  7. On your My3 account look for ‘Check Balance' under Account Balance

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