- Physical SIM Cards
- O2 doesn't require activation for physical SIM cards
- Physical SIM cards work immediately after insertion
- eSIM Activation
- eSIM activation requires Wi-Fi connection and QR code scanning
- QR code can be found under flap or in provided PDF
- Profile addition process takes a few seconds
- Pay as You Go Activation
- Top-up via phone calls, vouchers, or E-Top Up cards
- Credit top-ups automatically activate SIM cards
- Pay as you go cards extend lifespan for another 6 months
- SIM Card Management
- SIM card swapping possible between O2 numbers
- Pre-populated numbers must remain intact during swap
- Old SIM loses connectivity after 1-24 hours
- Support
- Contact O2 via phone, landline, or website
- SSN can be found on SIM package or O2 email
- Multiple contact options available for assistance