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The word “cloning” means to duplicate. As such, SIM cloning is the process in which a legitimate SIM card is duplicated. It means creating another SIM card with the exact same information as the original. When the cloning is completed, the cloned SIM card’s identifying information is transferred onto a separate, secondary SIM card.

SIM cloning - card  - 1
  • What danger are you in if your SIM card is cloned?
  • SIM Cloning: What data is copied to duplicate a SIM card?
  • How is SIM Cloning done? SIM Cloning: Can a SIM card be cloned remotely? Is SIM Cloning illegal?
  • SIM Cloning: How to prevent your SIM card from being duplicated
  • SIM Cloning: How to tell if your SIM card has been cloned
  • SIM Cloning: What to do if your SIM card has been duplicated

What danger are you in if your SIM card is cloned?

If your SIM card gets cloned, the hacker has access to all your incoming calls and SMS. They can also make calls and send messages from your number. If you have mobile banking active on that line, they can spend or transfer money from your bank account. They can pretty much pretend to be you (identity theft) in a number of ways that are detrimental to you.

Note that both your original SIM card and the cloned SIM will be active. You would probably be no wiser about what is happening after the duplication has happened.

SIM Cloning: What data is copied to duplicate a SIM card?

These two codes are extracted from the original SIM card and imprinted into a blank SIM to create the duplicate. Because it is these two keys that authenticate the user, the duplicate SIM is then able to connect to the mobile network.

How is SIM Cloning done?

To duplicate or clone a SIM card requires four things – a PC, a clone software, a blank SIM, and a gadget called a SIM card reader. Of course, the original SIM is assumed.

Using a USB cable, the SIM card reader is connected to a PC that has a clone software installed. The authentic SIM is inserted into the card reader and the required data is copied from it to the PC. The duplicate card is then inserted into the reader and the data is then copied to it. Voila, the cloned SIM is ready.

No; it isn’t a straightforward process, and modern SIMs can be difficult to clone, thanks to security features built I to them. Some of those security features are dependent on you using them, as I highlight further down in this article). As such, sometimes, the duplicating process fails. But the above is a good idea of how SIM cloning is done.

SIM Cloning: Can a SIM card be cloned remotely?

Is it possible for someone to clone your SIM card without getting physical access to it? Yes; it is possible for someone to clone your SIM card remotely, but it is not easy or cheap. Which makes it an uncommon occurence. To clone a SIM card remotely requires the most cutting edge of equipment.

Is SIM Cloning illegal?

In many countries, phone cloning is illegal, especially when you consider that it is a form of identity theft and so is used for fraudulent activities. Tampering with a SIM card is illegal in most places.

SIM Cloning: How to prevent your SIM card from being duplicated

For the most part, physical access is key to SIM cloning. That means, that a SIM card can be cloned if you allow a 3rd party to get their hands on your SIM card. Duplicating a SIM card remotely is difficult, costly, and so is not common.

To protect your SIM card from being cloned, don’t let others get their hands on it. For example, if you are sending in your smartphone for repairs, remove your card and keep it away or put it in a spare phone that you can use.

Secondly, enable a PIN on your card. If you have a security PIN active on your card, the process of duplicating it cannot be completed without the hacker entering that PIN. This is different from having a password or PIN on your phone. Your mobile provider allows you to set a PIN on your SIM card. Do it.

SIM Cloning: How to tell if your SIM card has been cloned

There are tell-tale signs that can help you figure out if your SIM has been duplicated and is being used by someone else.

  • If you are getting replies to SMS that you didn’t send. The incoming messages read like a continuation of a conversation that you haven’t held. That’s a sure sign.
  • If you are getting bank debit/credit alerts for transactions you didn’t initiate. It is possible that someone is using a cloned SIM card to carry out those transactions.
  • You get a lot of calls that stop ringing before you can answer them. Someone else might be answering your calls from a duplicate. This is because when a SIM card is cloned, both lines get incoming calls, but only one can answer them.

SIM Cloning: What to do if your SIM card has been duplicated

SIM cloning has been around for years. In the early years of GSM technology, security measures were not so strong. But that is no longer the case. Still, the risk of falling victim is there. To protect yourself from, keep your SIM card away from others, and also have a SIM PIN enabled on it. All the best.

Author:Mister Mobility

Digital Skills and Communication Coach | Mobile Phone Connoisseur since 2001 | Tech Blogging since 2004

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If you need to clone an Android phone, that is, to duplicate your current settings or data on another Android smartphone, there are at least two ways you can go about it. It depends on what exactly you want to duplicate. However you go about it, you will end up with both phones having the same data you chose to copy/duplicate.

You might want to duplicate only your contacts, call logs, and phone settings. Or perhaps you want to include your photos, videos, and other files as well. Your objective determines what method you use. Let’s have a look at each of the available methods you can use to clone an Android phone.

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  • How to clone an Android phone using Google
  • How to duplicate or clone an Android phone using a clone app

How to clone an Android phone using Google

Google offers a phone backup and restore feature for Android phones. This feature backs up your app settings, Wi-Fi passwords, SMS, call records, photos, videos, contacts, and calendar entries. It is a convenient way to duplicate your Android phone. Turn on backup on your old phone and restore it on the new phone.

To use the feature, you have to be signed in to your Google account on your old Android phone and on the new phone as well. On the new phone, choose to restore an existing backup, then select the latest backup, pick the data you want to move to the new device, and tap Restore to copy the files to the new Android phone.

Note that this method requires an Internet connection – Wi-Fi or mobile data – active on both phones you are transferring files between. If you have large files running into several gigabytes, you should make sure that you have enough mobile data to cover the transfer of files, or have access to unlimited Internet .

How to duplicate or clone an Android phone using a clone app

Some smartphone manufacturers have a clone app pre-installed in their phones. OnePlus has one called Phone Clone. Xiaomi’s is called CLONEit. TECNO has one also named Phone Clone. If the new phone you want to copy data over to is from one of these manufacturers or another with a pre-installed app, you can use it to duplicate your existing or old phone. Note that you need to install the clone app on the other phone too.

All of them work by creating an ad-hoc Wi-Fi hotspot and transferring files over them. This does not use your mobile Internet and so costs you nothing. Launch the app on your new phone to get started, and follow the instructions till all data and files are copied. The advantage of this method is that it copies other files besides photos and videos. For example, office documents and the like.

If your phone does not come with a pre-installed clone app, you can use a third party app for it. Search Google Play Store for SHAREit, CLONEit, DrFone, among others, install it and launch it to use just like you would any of the pre-installed ones. The processes are all similar. This will create an ad-hoc Wi-Fi connection too and use it to transfer data. And yes, you need to insta the clone app on both phones.

Once done, you will have two Android phones with exactly the same data/settings, depending on what you specifically chosen to copy. The option to choose is available, should you not want to copy everything over.

Author:Mister Mobility

Digital Skills and Communication Coach | Mobile Phone Connoisseur since 2001 | Tech Blogging since 2004