O2 Unlimited Data SIM
O2 focuses on dependable connectivity with strong nationwide coverage and reliable performance trusted by millions across the UK.
Unlimited plug & play data until expiry
Data-only - no calls, texts, roaming, or number porting
600GB/month fair use (UK-only). SIM may be suspended if exceeded
Compatible Devices
FAQs
If you have any questions, our team is available to assist you.
How do I activate the SIM?
You can activate your SIM by completing the activation form located at the bottom of our website or clicking here.
When is the SIM refresh date?
Your SIM refreshes on the 1st of every month.
Can I renew or top up my SIM?
Yes. To renew your SIM, simply purchase a new SIM plan on our website and select the “I am an existing customer” option at checkout. Enter your current SIM number, and we will process the renewal.We recommend renewing before your SIM expires.
What email usage alerts will I receive?
our SIM includes unlimited data with a 600GB fair‑use policy. You will receive:
- A lower‑limit alert at 250GB of usage
- An upper‑limit alert at 550GB of usage
These notifications are simply reminders to help you manage your data before reaching the 600GB threshold.
Can I port an existing number to this SIM?
Number porting is not supported.
Each SIM is linked to a specific Scancom account, so the assigned number cannot be changed or transferred.