![Samsung Galaxy Tab 7.7](http://wmstatic.global.ssl.fastly.net/ml/7091217-2902190.png?width=150&height=320)
Samsung Galaxy Tab 7.7
View SIM lock status
Your device might be SIM locked to a network operator. You're then not allowed to use SIMs from other operators. Follow these instructions to find out your SIM lock status.
1. View SIM lock status
Insert a SIM from another operator and turn on your device.
If your device is SIM locked, a message will appear on the display.
If your device is SIM locked, a message will appear on the display.
Click here for information on how to insert a SIM.
![Samsung Galaxy Tab 7.7 Samsung Galaxy Tab 7.7](http://wmstatic.global.ssl.fastly.net/ml/7091217-2902190.png?width=480&height=480)