Turn SIM card into Micro SIM

Hello everyone, today I want to share a funny little Story with you. A few days ago my mother forgot her mobile phone in her pants and well, you guessed right, she put them into the washing machine. The mobile phone did not survive this and she had to buy a new one. But there was a problem with her new mobile phone: A normal SIM would not fit into it. (My mother still had a normal SIM card since her mobile phone was already quite old) I had to find a solution since my mother really needed her mobile phone and since it would be useless if nobody could call her, I tried my best to get it working.

I googled a bit and found out that you can turn a normal SIM card into a Micro SIM card simply by cutting it into the right shape. (A bit of metal was cut off when I did this but it looks like it had no impact on its functionality.)

Ok so here is what I did to turn my mothers SIM card into a Micro SIM card:

You need the following 2 things to do this:

  • A pair of sharp scissors
  • A Micro SIM card template which you can find here (german). (If the link does not work you can download it from here too.)

Here is the SIM card before the cutting process:


Now print the Micro SIM template.

Important: Make sure to set the Scale to 100%.


Now put the template onto your SIM card (use some duct tape if necessary) and cut it into the right shape.

Here is the SIM card after the cutting process:


Sorry for the bad picture quality. As you can see the shape is not perfect but it works.

Well and this solved the problem. The now Micro SIM card fit almost perfectly into my mothers new mobile phone and worked as expected.

I hope you liked this little slice of life story post and I hope to see you again next time 🙂


http://www.computerbild.de/downloads/4508371/Micro_SIM.pdf (german)

https://www.youtube.com/watch?v=r5NCmuyKoqQ (german)


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