What is OPPO Lock and How Does Call to Lock Work
When an OPPO phone is lost or stolen, the standard Find My Device lock may still display the wallpaper and certain notifications on the Lock screen. If someone discovers the Lock screen password, your data may be exposed. The OPPO Lock feature, available on devices running ColorOS 16 and above, adds an extra layer of protection through Call to Lock, allowing you to remotely secure the device through customer service.
How to Enable Call to Lock
1. Go to [Settings] > [Security & privacy] > [Device unlock] > [Theft protection].
2. Tap Call to lock – Turn on, then follow the on-screen instructions to enter your:
ID number
Mobile number
Trusted contact details
3. Tap [Done] to complete the setup.
Requirements Before Using Call to Lock
To activate and use this feature, ensure the following:
A SIM card from a supported region is inserted.
The device has an active internet connection.
A lock screen password and fingerprint authentication are set.
During initial setup, you have entered your ID number, mobile number, and trusted contact number.
Remote Lock Authentication
You can request a remote lock by calling customer service using:
Your trusted contact’s phone number or the lost device’s number
Provide your correct ID number and phone model.
Any other phone number
Provide your correct ID number, phone model, and trusted contact information.
After successful verification, customer service will activate Lost mode.
How to Unlock the Device After Recovery
Once you retrieve your phone, unlock it using:
Your lock screen password
Facial or fingerprint authentication
About SIM Lock
SIM Lock is supported in all countries and regions. When the phone detects that the SIM card has been removed, it will automatically lock and require two-factor authentication for normal operation.
If your device enters SIM Lock mode, you can unlock it by entering a numeric password and completing facial or fingerprint verification.
You can go to [Settings] > [Security & privacy] > [Device unlock] > [Theft protection] >Tap [SIM Lock] turn on.
Learn more about ColorOS 16.
* Pictures, settings, and paths might differ from those of your phone, but these won't affect the description in this article.