Here’s the easiest test, and it’s so simple you’ll feel like a tech wizard. Grab a SIM card from a different carrier—borrow one from a friend or family member (ask nicely, don’t just snatch it!). Pop it into your phone while it’s powered off, then turn it back on.
If your phone recognizes the new network and you see signal bars, congratulations! You’ve got an unlocked phone. If you get a sad message like “Invalid SIM” or “SIM Not Supported,” it’s locked tighter than a jar of pickles. No judgment—just information.
But Wait, What If You Don’t Have a Spare SIM?
No problem! You can check in your phone’s settings without hunting down a friend. On an iPhone, go to Settings > General > About and look for “Carrier Lock.” If it says “No SIM restrictions,” you’re golden. On Android, it’s usually under Settings > Connections > Network Operators (or search “SIM lock” in settings).
Pro tip: Some phones hide this option like a secret level in a video game. If you can’t find it, just Google your phone model + “unlock status”—the internet loves to help, especially at 2 a.m.
How To Check Unlocked Phone - Middlecrowd3