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uk Technology & digital loss not receiving texts • stopped getting sms • sms verification not arriving • cant get verification code • one time code not received • otp text not coming through • short code texts not working • 2fa sms not working • phone not getting security codes • texts suddenly stopped • number not receiving sms • verification texts delayed • sms codes not delivered • cannot receive login code • account recovery without sms • possible sim swap • phone number hijacked • port out fraud concern

What to do if…
you stop receiving text messages and cannot get SMS verification codes

Short answer

Treat this as either a network/provisioning block (often fixable by your mobile provider) or a possible SIM-swap/number-takeover. Use another device/connection to secure key accounts and contact your mobile network urgently.

Do not do these things

  • Don’t keep requesting new codes repeatedly for 10–30 minutes at a time (it can trigger rate-limits and make delivery worse).
  • Don’t click links or follow instructions from unexpected “verification” texts/calls that you didn’t start.
  • Don’t share any verification code with anyone (including someone claiming to be “support”).
  • Don’t factory reset your phone as a first move (it can lock you out of authenticator apps, passkeys, and recovery options).
  • Don’t assume it’s “just an app issue” if you also suddenly lost calls/SMS or got alerts about SIM/number changes.

What to do now

  1. Check for signs your number has been taken over (SIM swap/port-out).

    • Do you suddenly have no signal, “No Service”, or calls/SMS failing in/out?
    • Did you receive any message/email about a SIM change, eSIM activation, PAC/port request, or account change you didn’t make?
    • If yes, treat this as urgent fraud and go to steps 3, 4, and 7.

  2. Do the quick “delivery blockers” check (2 minutes, reversible).

    • Toggle Airplane mode on/off, then restart the phone.
    • Confirm your phone can receive any SMS (ask someone to text you a normal message).
    • Check you haven’t blocked unknown senders/short codes:
      • Review your blocked numbers and any message filtering settings.
      • Ensure your inbox isn’t at storage limits.

  3. Call your mobile network from another phone and ask for specific checks. Ask them to:

    • Confirm the last SIM/eSIM change on your account, and whether any port/number transfer request is active.
    • If anything changed without you, ask them to stop it, secure the account, and tell you what they can do to prevent another attempt.
    • Check whether your line has barring that blocks short-code / premium / “chargeable” SMS (verification codes often arrive from 5–8 digit short codes).
    • Re-provision SMS services on the line if needed, and confirm your number is correctly set for receiving SMS (not just sending).
    • Add stronger account protection (for example an account passphrase/PIN and any port/number-transfer protection your provider supports).

  4. While you’re waiting for SMS to work, secure your most important accounts via a non-SMS route.

    • Prioritise: email, banking, password manager, and your main Apple/Google account.
    • From a trusted device (or a computer on a known network), change the password for your primary email and enable a non-SMS second factor (authenticator app, passkey, or security key).
    • If you’re locked out, use the provider’s account recovery flow, choosing email/prompt/authenticator options where available.

  5. If you suspect fraud, alert the places that can lose money fast.

    • Contact your bank(s) using the number on your card/app (not from any text). Ask them to watch for account takeovers and unusual transfers.
    • If you have crypto/exchange accounts tied to SMS, secure or freeze access where possible.

  6. If your provider won’t fix it or you’re stuck in limbo, start a complaint trail you can escalate.

    • Write down: date/time, who you spoke to, what they said they changed, and any reference numbers.
    • If still unresolved, follow your provider’s complaints process. If you reach a “deadlock” outcome, or it has been 8 weeks, you can usually take it to an Ofcom-approved ADR scheme (your provider will be in either Communications Ombudsman or CISAS).

  7. If you think this is fraud (or money is at risk), report it through the right UK route.

    • If you live in England, Wales, or Northern Ireland, report cyber crime/fraud via Report Fraud (online or by phone).
    • If you live in Scotland, report to Police Scotland (101 for non-emergency; 999 in an emergency).

What can wait

  • You do not need to decide today whether to change phone number, switch networks, or abandon accounts.
  • You do not need to “clean reinstall” your phone unless a trusted support channel confirms malware (this situation is usually network/account provisioning or account takeover).
  • You can postpone deeper security improvements (new password manager, new phone) until you can reliably access your accounts again.

Important reassurance

This happens to lots of people for ordinary reasons (network changes, short-code barring, provider-side provisioning issues), and it can also happen during number-takeover fraud. The calm move is the same: secure key accounts without SMS, and get your provider to confirm what’s happening on your line.

Scope note

These are first steps to stabilise access and reduce the risk of account takeover. Once you can receive texts again, you can do a fuller security review and update 2FA methods away from SMS where possible.

Important note

This is general information, not legal, financial, or technical advice. If you suspect fraud or you’ve lost money, act quickly and use official contact routes; if you feel out of your depth, ask a trusted person to sit with you while you make the calls.

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