Written by Bob

How do I make my SIM card bigger or smaller?

SIM cards come in different sizes, but what if your SIM card has the wrong size for your phone? In such a case, your SIM card will need to be resized to the correct size. We'll tell you how that works in this article.

Making your SIM card fit

Resizing a SIM card

Not every SIM card fits in every device. Go through the following steps to make sure your SIM card fits:

  • See what size SIM card you have
  • Reduce your SIM card or enlarge your SIM card

How many SIM card sizes are there?

SIM card sizes

Let's start at the beginning: how many SIM card sizes are there? There are 3 different sizes: mini, micro, and nano. The sizes can be easily recognized by the size of the gold-colored circuit, relative to the size of the plastic shell. The 'standard' SIM card is the largest and contains the most plastic. The micro card is the second largest variant, while the nano card is the smallest one. This SIM card only has a small strip of plastic surrounding the circuit.

Help, my SIM card is too big

SIM card is too big

Nowadays, most SIM cards are in a kind of mold. You can choose the size SIM card you need there. Do you have an older SIM card? You can cut it to size, but you can damage your SIM card while doing so. Instead, contact your provider and ask for a SIM card with the correct size. This usually costs between 5 and 15 euros. This way, you'll know for sure that you won't damage your SIM card.

Help, my SIM card's too small

SIM card is too small

This can be solved relatively easily by using an adapter. Simply place your SIM card in the adapter and insert it into your phone. There are different types of adapters available: from nano to micro, from nano to standard, and from micro to standard. In short, most size problems can be solved by using an adapter.



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