What should I do if I lost my phone and someone asks for a four-digit code?
Answer
Do not share passcodes, Apple/Google verification codes, or banking PINs with anyone who contacts you after a loss. Lock or erase the phone with Find My / Find My Device, change account passwords from a safe device, and only discuss recovery with carrier or platform support you contact yourself.
Before you start: stop right away if…
- Sharing a four-digit passcode or SMS code can let a thief empty accounts or disable tracking.
Follow these steps
Do not share the code
Refuse to give device passcodes, SMS codes, or account PINs to the person asking—legitimate finders do not need your unlock code to return a phone.
You should see: No secrets are disclosed.
Lock the phone remotely
Use Apple Find My or Google Find My Device to lock the phone and display a safe callback number on the lock screen.
You should see: The phone is locked if online, or lock is pending.
Change passwords and suspend the line
From a safe device, change Apple/Google and banking passwords, and ask your carrier to suspend service.
You should see: Accounts and the mobile line are protected.
Contact official support yourself
If you need help, call the carrier or platform using the number on their official website—not a number texted by the finder.
You should see: You receive guidance through a channel you initiated.
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Extra tips
What to look for: Whether the ask is for a device passcode, SMS two-factor code, carrier PIN, or iCloud/Google code, and whether the person contacted you first.
Before you change anything: Use a safe computer or another phone you still control. Open only official Apple/Google/carrier sites by typing the address yourself. Assume unexpected code requests are hostile until proven otherwise. File a carrier suspend request if needed.