O2 scam texts: how to spot and check them

O2 scam texts offer a bill refund after "overcharging", a loyalty discount, or warn that a payment failed. The link leads to a fake O2 login or payment page collecting your credentials and card - and an O2 login can be leveraged into a SIM swap.

Got one right now? Check it

Paste the message below and ONSIM AI will give you a verdict in seconds - the scam signals, any link domains checked at the registry, and the sender number checked against our database.

ONSIM AI text check

AI

This check analyses the message content, link domains and sender against known scam patterns. It is provided for information only and is not advice: see our terms and privacy policy. Personal details are removed before anything is stored.

What the scam looks like

Typical formats currently circulating (these are scams, not real messages):

Scam example

O2: we were unable to process your latest bill. Update your payment details to avoid service suspension: o2-billing-update.com

Scam example

O2: due to a billing error you are owed £36.20. Claim your refund: o2-refunds-uk.com

Network scams are dangerous beyond the card details: an account login can enable a SIM swap, redirecting your number - and every bank one-time code sent to it - to the attacker. That makes "small" network phishing a gateway to bank account takeover.

The tells

  • ✗A link that is not o2.co.uk.
  • ✗Refunds by text link - billing corrections happen inside your O2 account automatically.
  • ✗Requests to "confirm" your account password or one-time codes.

What the real O2 does

Check bills and payments in the My O2 app or at o2.co.uk, typed directly. Genuine billing problems show there. O2 also lets you forward scam texts to 7726 to help block campaigns.

If you get one

Do not click, reply or call any number in the message. Forward it for free to 7726 so your mobile network can block the campaign, then delete it. If a call or text claims to be your bank, hang up and dial 159 - the UK anti-fraud line that connects you to your real bank. If you have already entered card details, tell your bank immediately; if you have lost money, report it to Action Fraud. You can also check the sender's number to see what has been reported about it.

O2 scam text questions

Will O2 text me about billing problems?

Genuine service texts exist, but they direct you to the My O2 app or o2.co.uk rather than a payment link. Any text asking for card details or login credentials through a link is the scam format regardless of the sender name shown.

What is a SIM swap and why does an O2 login matter?

A SIM swap moves your number to an attacker's SIM, so calls and texts - including bank security codes - reach them instead of you. Network account credentials make that far easier, which is why network phishing is more serious than it looks. If your phone suddenly loses service unexpectedly, contact your network and bank immediately.

Other scam texts going around

Royal Mail Evri DPD DVLA HMRC PayPal Amazon Hi Mum / Hi Dad EE Three Vodafone Netflix Apple Banks Wrong number / friendly stranger