To make phone calls with the Samsung Galaxy Note 9 In order to use the Samsung Galaxy Note 9 for phone calls and the mobile Internet, you need to insert a Sim card into the device.
There are different shapes and sizes. Namely: Standard, Micro and Nano Sim card. The Sim Cards only fit into one Sim Card slot in the smartphone.
Therefore the size and the format must fit exactly. Which Sim card format you need for the new Samsung Galaxy Note 9, we would like to explain to you here.
The Samsung Galaxy Note 9 requires a Nano Sim card
This is currently the smallest Sim card format and is used in most smartphones. If you are using a larger Sim card format, then you now have the following options available:
Create your own Sim card - Using Sim card punch
It is very easy to punch out the Nano Sim card from an existing standard or Micro Sim card. You can get such a punch for example here. Sim cards punching on Amazon
Using perforation "push out"
By using a perforation, if available, you can very easily push out your Sim card. Most modern Sim cards have such a perforation.
Alternative
For an amount of 10 - 25$, you can also request a new Nano Sim card online from your mobile phone provider, usually via the Online Service Center.