It's not always easy to tell if an Android device is locked to a cellular/wireless provider, but there are methods to retrieve this information. If your device is locked, it will only take SIM cards ...
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How To Tell If An iPhone Is Carrier-Locked
What does it mean if your iPhone is locked? If your iPhone is carrier-locked, it's only going to work with the cellular provider that locked it. However, if your iPhone isn't locked, you'll be able to ...
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