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Why should I lock my SIM card?

To protect your identity
Your sim card is your identity as they are a widely used method for identifying phone users all over the world. Locking a sim card protects your identity as no one can access it without knowing the various codes or having the exact biometric pattern of your fingerprint.
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What is the purpose of SIM card lock?

Pros of a SIM Card Lock

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. The SIM lock will buy you some time to deal with your mobile service provider.
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Should a SIM card be locked?

We suggest enabling SIM card lock in the settings to add an extra layer of security to protect your SIM card on Android if your device has a SIM card slot. The SIM card lock has been on Android phones for years, but many people are unaware of the fetaure.
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What happens when your phone SIM card is locked?

SIM card protection

You can lock and unlock each SIM card you use on your device with a PIN (Personal Identity Number). When a SIM card is locked, the subscription linked to the card is protected against misuse, meaning that you have to enter a PIN every time you start your device.
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Can someone lock your SIM?

The IMEI code: to block a lost or stolen handset

This is a 15 or 17-digit number that is unique to each phone. You will need to give this number to your telecom provider so they can block your SIM card if your handset is lost or stolen. It usually comes with the packaging of your phone and also features on your bills.
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3 Ways Your SIM Card Can Be Hacked And How to Protect It

What is the difference between locked and unlocked SIM?

A carrier-imposed “lock” is a software code that prevents your phone from working on another cellular network. With an “unlocked” phone, on the other hand, you can get service with any carrier on a compatible network — and that's just one of the benefits of an unlocked phone.
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Is it better to get a locked or unlocked phone?

While unlocked phones offer additional functionality and freedom, they also aren't as secure as locked phones. Furthermore, there's nothing stopping a user from accidentally misusing an unlocked phone or downloading a harmful app.
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Can I use a locked SIM on an unlocked phone?

Can You Put Any SIM Card Into an Unlocked Phone? When you have an unlocked phone, you can use any SIM card. Prior to the invention of 4G LTE, networks were split between GSM and CDMA operators. Now, since the introduction of 4G LTE phones, new iPhones and Android devices are compatible with both GSM and CDMA networks.
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Can you unlock a locked SIM card?

To unlock your SIM Card, reset the PIN by entering your SIM Card's unique PUK (PIN Unlock Key). Note: Entering an incorrect PUK (PIN Unlock Key) 10 times will permanently lock your SIM Card. If the SIM Card becomes permanently locked, you will need to swap it for a new SIM Card.
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How do I take the lock off my SIM card?

Enable or Disable SIM PIN Lock on Android Smartphones
  1. Click Settings.
  2. Select Security.
  3. Select Set up SIM card lock.
  4. Toggle the SIM card lock feature On or Off.
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Can I switch carriers if my SIM is locked?

If the phone is unlocked you can use it to receive mobile phone service from the carrier of your choice. If you purchase a new phone, it's still ideal to make sure it's unlocked in case you want to switch carriers. If the phone is locked, it can be used only on the carrier it's locked to.
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Can I just switch SIM cards between phones?

SIM cards make it easier than ever to transfer your phone service from one phone to another. When you insert your SIM card into a different compatible or unlocked phone, you can instantly use your existing phone number and cellular service on your new phone.
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What is the downside of unlocked iPhones?

The main disadvantage of buying an unlocked iPhone is the cost, especially if you're buying a new device. Unlocked iPhones are often more expensive than iPhones that are locked to a single carrier. However, buying a used and refurbished unlocked phone can save you a lot of money!
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What are the cons of locked phone?

The major downside of buying locked devices is the inability to switch carriers as you wish. And that is, in fact, the goal of carrier phones; to ensure you stick with them for an extended period.
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Can someone track you through your SIM card?

Your SIM card is unique to your device, and you can use it to track your phone's location if it's ever lost or stolen. Unfortunately, hackers can intercept communications between your SIM card and mobile provider to access your location information.
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Can a hacker take your SIM card?

Sim Card Hacking, also known as a SIM Swap Attack, SIM Port Hacking, or SIM Hijacking, occurs when a hacker persuades your cell phone carrier to move your cell phone number over to their device instead of yours. This causes any calls or texts to go to the hacker's device instead of your own.
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Can hackers take over your SIM?

SIM swapping, also known as SIM splitting, simjacking, or SIM hijacking, is a technique used by fraudsters to get control of your phone number. With your phone number, hackers can take advantage of two-factor authentication to gain access to your bank accounts, social media accounts, and more.
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How long does it take to unlock a SIM locked phone?

The process can take up to two business days, but once it's done, you're free to take the phone to another wireless carrier.
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Can you bypass a SIM lock?

You can remove a SIM lock on your Android device in simple ways. You can look for your carrier's contact and ask them to give you an unlock code to bypass a SIM lock. But this happens only if the SIM card is locked to a network. You can still use an IMEI number or input a PUK code.
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Can a SIM locked iPhone be unlocked?

Only your carrier can unlock your iPhone. Contact them and request an unlock. After you submit the request, it might take a few days to complete. Contact your carrier to check the status of your request.
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