Phone Settings to Turn On Before Your Phone Is Stolen (Android & iPhone)
Most of the harm from a stolen phone comes from what the thief can do with it in the next hour: read your OTPs, move your SIM to another phone, or reset your accounts. A few settings, turned on today, shut most of that down.
Before your phone is ever stolen, set a strong PIN, hide notification content on the lock screen, add a SIM PIN, turn on Find My Device (Android) or Find My (iPhone), and switch on the built-in theft protection: Theft Detection Lock and Identity Check on Android, Stolen Device Protection on iPhone. Then save your IMEI numbers somewhere off the phone.
1. A strong lock screen
- Use a 6-digit PIN or a password, not a pattern; patterns are easy to watch over your shoulder.
- Turn on fingerprint or face unlock so you are not typing the PIN in public all day.
- Never share the PIN with anyone who calls after a theft, even if they say they are police or the bank.
2. Hide OTPs and messages on the lock screen
If message previews show on the lock screen, a thief can read your bank and UPI OTPs without unlocking the phone.
- Android: Settings, then Notifications, then lock-screen notifications: choose to hide sensitive content (the exact menu varies by brand).
- iPhone: Settings, then Notifications, then Show Previews: When Unlocked.
3. Add a SIM PIN
A SIM PIN stops a thief putting your SIM into another phone to receive your OTPs.
- Android: Settings, then Security (or Security and privacy), then SIM card lock.
- iPhone: Settings, then Mobile Data (or Cellular), then SIM PIN.
Use your operator's default PIN to set a new one. Enter it wrong three times and the SIM locks; the PUK code to unlock it is on the card the SIM came on, so keep that card at home.
4. Find My Device or Find My
- Android: make sure Find My Device is on in your Google settings. From any browser you can then locate, lock or erase the phone at android.com/find.
- iPhone: Settings, then your name, then Find My: turn on Find My iPhone and Send Last Location. From another device you can Mark as Lost at icloud.com/find. Activation Lock stops the thief setting it up as a new phone.
5. Built-in theft protection
Android
On supported phones, look for Theft protection in your Google settings or Security settings:
- Theft Detection Lock locks the screen if it detects a snatch-and-run motion.
- Offline Device Lock locks the phone if it is taken offline for a while.
- Remote Lock lets you lock the phone with just your phone number at android.com/lock.
- Identity Check (newer Android versions) asks for your fingerprint or face before sensitive changes away from trusted places.
Samsung and some other brands have their own versions under Security; turn on anything named theft protection or lost device protection.
iPhone
- Stolen Device Protection: Settings, then Face ID & Passcode, then Stolen Device Protection. Away from familiar places, it requires Face ID or Touch ID for sensitive actions and adds a delay before changing your Apple Account password.
- Turn off Control Centre on the lock screen (Settings, then Face ID & Passcode, Allow Access When Locked) so the phone cannot be switched to airplane mode while locked.
6. Save what you will need later
- Dial *#06# and save both IMEI numbers in your email or with a family member. You will need them to block the phone on CEIR.
- Save your bank's and operator's customer care numbers outside the phone.
- Store backup codes for two-factor logins somewhere safe, not only on the phone.
7. The setting that is not in the phone
Settings make a stolen phone less useful; they do not stop the theft. For the moment the phone is in your hand, which is when snatching happens, a wrist tether keeps it attached. If someone pulls hard, let go.
Frequently asked questions
Which settings protect my phone from theft?
Set a strong PIN, hide lock-screen notification content, add a SIM PIN, turn on Find My Device or Find My, and enable Theft Detection Lock on Android or Stolen Device Protection on iPhone.
What is Stolen Device Protection on iPhone?
A setting under Face ID & Passcode that requires Face ID or Touch ID for sensitive actions when the iPhone is away from familiar places, and adds a delay before account password changes.
What is Theft Detection Lock on Android?
An Android theft-protection feature that locks the screen if the phone detects a snatch-and-run motion. Find it under Theft protection in your Google or Security settings.
Why should I set a SIM PIN?
It stops a thief moving your SIM to another phone to receive your OTPs and reset your accounts.
How do I hide OTPs on my lock screen?
On iPhone set Show Previews to When Unlocked. On Android choose to hide sensitive notification content on the lock screen.
Settings protect your data. A tether protects the phone →
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