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In this article, you gonna learn how to clone a SIM card in just 5 minutes. You may need to clone a SIM Card for various purposes. Such as you may clone the SIM Card for parental purposes and you want to know that whom your kids calling and messaging. Otherwise, you may need it because your old SIM Card is about to break. Or, you just want to read this tutorial just for education and knowledge.
Why it’s so easy to Clone a SIM Card?
There are two secret encrypted codes in any SIM Card. These codes used by telecom operators to verify or authenticate the SIM Card. All we have to do is just clone those encrypted codes into the blank SIM Card as well along with other data.
- Cloning someone else SIM Card without their knowledge is invasion of privacy and illegal by law. This tutorial is just for educational purposes. We, the team of Ultimate Tech, is not at all responsible If you use this tutorial to do any illegal purposes.
- Blank SIM Card and SIM Card Reader-Writer may be expensive to buy for you.
- It is not 100% possible to clone a SIM Card. There are different types of SIM Card and not all types can be cloned. You may end up losing data and money. Please check the FAQ below for more info.
So to clone a SIM Card, you need to have some devices, which you can buy, and download a free software. Here below are few items have you need to buy if you don’t have already.
- Blank SIM Card – Well, if you want to clone a SIM Card, then definitely you need something to clone data into. So, you need to have a Blank SIM Card where all your old SIM Card data will be transferred (or copied).
- SIM Card Reader and Writer – Another thing that you required to buy is a SIM Card Reader and Writer.
- Download and Run SIM Cloning Tool – With the help of this tool, you will be able to Clone almost any SIM Card. It is lightweight and easy to use tool with minimum options but important and needed options.
How To Clone a SIM Card in 5 Minutes?
So, it is very simple and easy to use perform steps. But, you have to follow the steps carefully otherwise you may end up damaging the original and blank SIM Card.
Step 1: Read the Data of Original SIM Card.
So, I am hoping that by this time you have download and installed the software already which is listed in above prerequisites. If not then do it otherwise follow below steps.
1. Insert the Original SIM Card in SIM Card Reader-Writer tool.
2. Open up the SIM Cloning Software.
3. Tick all the check-boxes for Data content selection. 
4. Hit the read button now. 
5. Now, all the information should be loaded in the software. Do Not Exit or close the software.
Step 2: Write the Data into Blank SIM Card.
1. Remove the Original SIM Card from SIM Card Reader-Writer and insert the Blank SIM Card.
2. Once again in the software, hit the Write button.
3. It may take some time and then you will get completion popup.
Step 3: Test the SIM Card
Insert the cloned SIM Card into your phone and test it if its working properly and perfectly or not.
Frequently asked questions
The answer is NO. You can not clone all the SIM Card. There are three types of SIM Cards’ algorithms used by telecom companies. These are COMP128v1, COMP128v2 and COMP128v3. Only COMP128v1 type SIM Card can be cloned. Rest of the types are almost impossible to clone unless we have high-tech equipment and tools.
But the good thing is, 70% of the SIM Cards around the globe is based on COMP128v1 algorithms. It means there are higher possible chance that your SIM Card is one of this type.
Once again, the answer is NO. It is impossible to clone a SIM Card 100% because of various encryption. However, you can clone up to 95% of the SIM Card data which is enough to use it as a second SIM Card.
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