OPPO SIM Lock – Protect Your Phone Even If the SIM Is Removed
What Is SIM Lock?
SIM Lock is a security feature that automatically locks your OPPO device whenever the linked SIM card is removed.
When enabled, SIM Lock helps:
Prevent unauthorized access if the SIM is taken out
Stop thieves from inserting a different SIM card
Protect your personal data and accounts
Make it harder to reset or resell the device
This adds another strong layer of protection on top of your screen lock and Theft Protection.
How to Enable SIM Lock
Follow these steps to turn on SIM Lock:
Open Settings
Tap Security & Privacy
Select Device Unlock
Go to Theft Protection
Toggle SIM Lock ON
Once enabled, your OPPO device will auto-lock if the linked SIM card is removed.
Why SIM Lock Is Important
SIM Lock offers powerful protection by:
Preventing thieves from swapping SIM cards
Ensuring your device remains locked to your authentication
Keeping personal data safe from unauthorized access
Adding an extra layer of background security without affecting daily usage
Important Notes
SIM Lock availability may vary by region, model, and ColorOS version.
Make sure you have a screen lock (PIN/Password/Pattern) set up for complete protection.