If this is the first time turning it on, it will ask you for a 4-digit default passcode and warn you that you usually have three attempts to get it right, or it will lock your SIM up. When you turn on the SIM lock, you will be asked for a SIM PIN. Cellular, then SIM PIN - if your phone has two SIM, then you may need to select a SIM, then select the SIM PIN option.Įssential Things to Know Before Setting Up A SIM Card Lock.Here is how to do the SIM card lock on your iphone. Here is how to do the SIM card lock on your Android phone. How to Set Up SIM Card Lock on Android and iPhone? Want Guaranteed Protection Against SIM Swap? Reach Out to Us. The hacker can be thousands of miles away. A SIM swap is where a nefarious person uses different tactics to get your operator to switch your service to connect to the SIM in the hands of the hacker, and your device is now out of the equation. Locking your SIM with a PIN is no defense against a SIM swap.Every time you reboot your phone, your SIM card will be locked and require you to enter a PIN, a small sacrifice to have security.

Once unlocked, they can use your mobile service to access your applications or impersonate you.

Now they know what operator to call and can impersonate you to get the PUK code, which stands for Pin Unlock Key. It buys you time, but if the wrong person gets your phone and thus gets the IMSI # of your SIM card, that SIM card has a number that identifies the country, mobile operator, and the unique identifier of that SIM.The SIM lock will buy you some time to deal with your mobile service provider.If your phone is stolen or lost, someone can't pull your SIM out and put it in another phone to reset your application passwords or use your mobile service to impersonate you.If you want to know how to lock your SIM card to your Android device, you've come to the right blog.įirst, let's talk about a few critical bits of information that other SIM lock blogs don't cover.

You can either Google these codes or call your carrier support and ask for the codes. These codes vary company by company, but for Sprint and T-Mobile, it is 1234, and for AT&T and Verizon, you can try 1111. Usually, a SIM comes with a default PIN code directly from your mobile carrier. It is a physical two-factor authorization that disallows hackers from tracking or misusing your SIM Card. SIM Card Lock PIN requires a lock screen PIN, Pattern, Fingerprint or Password, and a SIM Card to be active before you can unlock the phone. You can set up a screen lock easily, but you may need to realize that there is another extra layer of security you can add, i.e., the SIM Card Lock. People don't bother with the SIM Card Lock in Android, but it carries significant weight.

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