Samsung Galaxy A16 phone locked due to security reasons

Your phone is locked with a pop-up message stating, "Your device is locked due to security reasons. To unlock your device, please reboot the device and ensure a stable network connection." This occurs as a security enhancement measure when the device fails to connect to the network after a restart.
Front and rear views of the Galaxy A16 5G.
Front and rear views of the Galaxy A16 5G.

Samsung Galaxy A16 phone locked due to security reasons

1

Restart your Galaxy A16.

Press and hold the Volume down button and the Side button at the same time. After a few seconds, different power options will appear. Tap Restart, and then tap Restart again. Your device will automatically restart.
2

Ensure a stable network connection.

Connect to a stable Wi-Fi or mobile data network immediately after restarting.

If the device remains disconnected from the network for 30 minutes, it will remain locked. Restarting and connecting within 30 minutes will unlock it normally.

Recommended Articles
Samsung Sound app forced OTN failure during setup
Samsung Sound app forced OTN failure during setup
If the Samsung Sound app fails to control your soundbar or Wi-Fi speaker after registration, it may be due to a failed forced software update (OTN). This issue can occur if the update is interrupted, the device is rebooted, or there's a network/server problem. Follow these steps to resolve the issue by re-registering your device.
 Set up your new Samsung Galaxy A17 5G
Set up your new Samsung Galaxy A17 5G
Set up your new Samsung Galaxy A17 5G Welcome to your new Galaxy A17 5G! Follow these steps to set up your device, from charging and inserting SIM and memory cards to transferring data and customizing settings. With this guide, you'll be ready to enjoy your new phone in no time. Set up your new Samsung Galaxy A17 5G Note The user manual for your Ga
 Email server not responding on Samsung phone or tablet
Email server not responding on Samsung phone or tablet
There are several reasons why your device may display a "Cannot Connect to Server," "Sign-in failed," or "Authentication failed" popup message when you're trying to access your email. It could be due to an invalid login password, incorrect email server settings, issues with 2-step verification, problems with your email provider's server, or a probl
Was this content helpful?
We're here for you

Contact Samsung Support

Contact us online through chat and get support from an expert on your computer, mobile device, or tablet. Support is also available on your mobile device through the Samsung Members App.
Get support
flag
Go to site