How to Lock Your SIM to Prevent Unauthorized Bank Transactions in Case Your Phone is Lost

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How to Lock Your SIM to Prevent Unauthorized Bank Transactions in Case Your Phone is Lost

Are you looking for guidelines on locking your SIM to prevent unauthorized bank transactions in case your phone is lost?

Your bank account security is an important issue you should not take lightly because it has all your finances and funds. These accounts can face some threats, which may lead to losing your funds.

Some of these security threats can be fraudulent activities and exposure to hackers. Our bank accounts are exposed to some of these threats because it is not very secure.

During registration and account opening, you could recall that you used your SIM and linked it to your bank account, which means that you can use your SIM to perform most of the bank transactions through the USSD codes and any other means.

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Since your SIM is linked to your bank account, its loss can constitute a great danger to your funds in the bank because anybody who has access to it can perform unauthorized bank transactions, which may include transferring your money to another bank, using it to funds their wallet and any other activities without your consent.

Checkout: How can I Get PUK code to Unblock My SIM: 3 Sure Ways to Get PUK Code for Unblocking Your SIM

Now, to prevent these unauthorized bank transactions in case of loss of a SIM card or phone, you need to lock your SIM, and this post will guide you through the processes of locking your SIM card. Read on to find out how to lock your SIM or phone number to prevent unauthorized bank transactions if you lose your phone.

How to Lock Your SIM to Prevent Unauthorized Bank Transactions in Case Your Phone is Lost

The process of locking your SIM depends on the device you are using. The process for locking it in an iOS device differs from the process of locking it in an Android device. Either way, this post will give you the best guidance you need.

How to Lock your SIM card in an iOS device

To lock your SIM card in your iOS device, here are the steps to follow:

  • Search for the Setting icon on your iOS device and click on it
  • Tap on Mobile Data
  • Click on the area with the “SIM PIN” inscription.
  • Toggle the SIM PIN to On it.
  • Put in your current SIM PIN; if the sim was not locked, you must input your mobile network’s default sim PIN. (MTN-> 0000, Airtel-> 1234, Glo-> 0000, 9mobile-> 0000)

How to set up SIM Card Lock on Samsung Mobile Device? | Samsung SG

  • Click on Change PIN
  • Enter the default SIM PIN again
  • Insert your new sim pin (Ensure that you can remember it, or write it down so that you won’t have to input the wrong sim pin, thereby leading to your sim blockage.)
  • Click on the Done icon to complete the steps.

Note: Ensure you do not forget your new PIN because your sim may be blocked if you enter the incorrect PIN in up to attempts or more to unlock your sim.

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For Android Devices

Here are the steps you will follow to lock your SIM card in your Android devices to prevent unauthorized bank transactions;

  • Go to Setting
  • Then tap on Security
  • Click on the SIM card lock
  • Select the SIM card you wish to lock if you are using dual SIM
  • Set up a SIM card lock
  • Put in the default SIM PIN
  • Click on Change Sim PIN
  • Put in your old sim pin or the default pin
  • Enter your new sim PIN
  • Confirm the PIN
  • Click on OK to exit

Note: the default sim pin for each network is as follows:

  • MTN = 0000
  • Airtel = 1234
  • Glo = 0000
  • 9mobile = 0000

With the steps mentioned above, you can now go on to lock your SIM card to prevent unauthorized bank transactions on it.

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