How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (2023)

Originally Published in June 2016, and updating so far. Last Updated: Today.

Clone SIM Card: Before we go further, I would like to make one thing clear SIM Card Cloning is illegal. This tutorial should be used for educational purposes only. After this, you can be able to Clone SIM Card easily but don’t harm others.

Mobile Phones are everyone’s need nowadays, people mostly do their confidential talks over cell phones, But only some of them know how easy it is to eavesdrop them, there are some tricks and hacks to do that, but the most powerful way is to clone their SIM Card.

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How to clone SIM card to use in 2 phones!

How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (1)

The Subscriber Identity Module aka SIM Card is the transmitter of the signal to the mobile and tower. Our SIM cards contain two secret codes or keys called IMSI (International Mobile Subscriber Identity) and Ki(Authentication Key), which enables the operator to know the mobile number and authenticate the customer, these codes are related to our mobile numbers which the operators store in their vast database, it is based on these secret keys that enable the billing to be made to that customer.

How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (2)

The main mission of cloning a SIM Card is to get KI and IMSI codes, these codes are the identifier of the SIM Card, and help you register your mobile to the network.

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How to duplicate SIM card to use on two phones?

Is it possible to clone a sim card?

By extracting these two secret codes from the SIM and program it into a new blank smart card. Since the operator authentication on SIM is based on these values, it enables us to fool the operators into thinking that it’s the original SIM, this authentication is a flaw with the GSM technology.

Must Read: Wealthy Affiliate: The Most honest Review!

Now which SIM cards can be cloned?

Not every SIM Card is cloneable, only some SIM card are clonable, let us learn, which one.

SIM cards are manufactured based on three algorithms COMP128v1, COMP128v2 and COMP128v3. It is important to note currently only COMP128v1 version SIM cards can be cloned, since this is the only algorithm, which has been cracked, bear in mind that 70% of all the SIM cards we use are COMP128v1, at the time of writing this post.

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What Can You Do When You Clone SIM card?

Well, There are many things to do when you clone SIM Card, You can secretly spy on the victim’s calls and data transfers, make him mobile bill go crazy, send messages and make calls from his number, All without touching the victim’s Cell Phone. Get ready to hack SIM cards, so, let’s dive in…

Things Required :

Blank Programmable SIM Card: I got this blank SIM card on Amazon (alternate link), but you can buy from anywhere.

A SIM Firmware Reader/Writer: I also got this SIM reader on Amazon(alternate link) at a minimal price.

Download and install:MagicSIM

Download and install:USB SIM Card Reader

Access to the victim’s SIM for about 15 to 20 minutes 😉

Update:If you found your Internet connecting speed drowning while downloading these files, follow the guide on how to increase internet speed via cmd( if you’re on windows 😉 ), this will slightly tweak your internet speed if the problem is from operating system’s side, otherwise it totally depends upon your ISP.

Read More:

  • Useful CMD Tricks and Tips to become Power User.
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Let’s get start cloning SIM card

Step 1: Remove the SIM from the phone, place it in the card reader, click read from the card in magic SIM.

How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (3)

When it displays ‘connected’, select crack SIM in the toolbar.

How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (4)

Step 2: Click strong KI and select all of the other find options and then click start.

Once your KI is found and the crack is finished, click the file, save as and save your cracked SIM info to a file.

Must Read: How to create bootable USB pendrive for Windows 10,8,7,XP

Step 3: You must click disconnect from the file menu or you will ruin your SIM card.[Important, Otherwise SIM will crack]

Step 4: Once it says disconnected. Remove the SIM. Put the SIM in your phone and see if it still works, it should.

(If not, either you did not unlock your SIM, or you tried to copy it instead of crack and save.)

Unlock SIM Card

Go to phone tools, select SIM card, then select unlock SIM, it will prompt for a code.

Call network provider, they will ask for your phone number, your account info, name, and security code, then they will ask why you want to unlock your SIM card, just tell them you need to unlock your SIM to get it to work with your overseas phone or something.

Once they give you the SIM unlock code, enter it, and it will say SIM unlocked.

Step 5: Insert blank SIM card and openUSB SIM Card Reader Softwarenot magic SIM at this point.

How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (5)

Step 6: Click connect.It should say ‘No Info Found’ if it is truly blank.

Step 7: Select write to SIM, it will prompt you to select a .dat file, select the one you saved earlier.

Step 8: Now click start, it will take about 10 minutes to write it, once it is complete, it will ask for a security code, enter the security code the network provider gave you, then click Finish.

How To Clone SIM Card Under 15 Minutes [Full Tutorial] — Tech2Hack (6)

DONE: You have successfully cloned a SIM Card.

Before you reach the conclusion, feel free to feel like a nitorious hacker, check out the famous hacker quotes and sayings.

Do check out cool android customization series, where you’ll find detailed how-to guides like;

  • How to change your Android boot animation easily.
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Conclusion

Now when somebody calls the victim, Both of the mobiles will ring, the same will happen in the case of SMS, But only one can pick up the call.It should be noted that if you try to make two calls at the same time, one will connect; the other will say call failed, both phones will get the same messages, text, and voice, and both will receive the same calls, but only one can talk at a time.

Must Read: Introduction to Networking : Internet and Protocols

Also, don’t do something big that will raise a red flag in Mobile Company. Remember, You are responsible for your own Shit.

And do check out my other guides and tutorials here on www.tech2hack.com, I have published lots of helpful articles related to hacking, programming and android customization here, and recently I published a guide on;

  • How To create dangerous Notepad Virus [10+ source code]
  • Best Android Emulator for PC to Run Android Apps.

and If youare really interested in hacking n all, you can check out;

  • Famous Hacker’s Quotes and Sayings to start Thinking Like Hackers,
  • Best Apps To Hack In-App Purchase in ANDROID

keep visiting regularly and you’ll find some of the greatest tutorials on the web here.

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