5 Secret Codes to Try on Your Apple iPhone

Access Field Test Mode – Dial *3001#12345#* – Get detailed network info and signal strength.

Find Your IMEI Number – Dial *#06# –Display your iPhone's unique IMEI number.

Check Call Forwarding Status – Dial *#21# – See call forwarding settings and status.

Verify Call Waiting Status – Dial *#43# – Check the status of call waiting.

Hide Your Caller ID – Dial *31# – Hide your phone number on outgoing calls.