2FA code not received via SMS
4.5
The website says it sent a code to your phone, but the text never arrives.
Symptoms
- No SMS
- Delayed code
- Cannot verify identity
Possible Causes
- Network delay
- Number blocked
- SIM swapping attack
Step-by-Step Fix
1
Wait 5 Minutes
SMS can be delayed by carrier congestion.
2
Check Signal
Ensure your phone has a strong cellular connection.
3
Check "Blocked" Numbers
Ensure you haven't accidentally blocked the short-code number.
When to See a Technician
If your phone suddenly loses all signal, contact your carrier immediately; you might be a victim of "SIM Swapping".
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