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Comment by jareds | Hacker News Reader

It looks like this phone takes a Micro SIM, but I was planning on getting the next iPhone when it comes out which will require a Nano SIM. Does anyone have experience in swapping a Nano SIM into a micro SIM slot with an adaptor and how big a pain is it to do?

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Many SIM cards come with the adapter, and many cell phone companies will give an adapter for free if you visit their booth in a mall or a retail location. It's really just like a Micro SD to SD adapter; Nano SIM is smaller but with the same connectors.

I suppose it's probably regional, but here you just walk into a telecom's shop, and they'll replace sim size A with sim size B. There may be a token fee for this, depending.

tldr; it works just fine.

It is a tiny bit fiddly getting the card in the right place in the adapter (basically just a little piece of plastic), but then it slots in and just works. As long as you are not dexterity challenged, it shouldn't be a problem at all. The adapter is also just a very simple bit of plastic, so buy one from amazon or ebay for a buck.

The SIM I got from a Heathrow vending machines supported all the phones by giving you a nano and then adapters up to bigger sizes.

I took scissors and a ruler to my SIM card, and chopped it to size, following an online guide. Worked like a charm.

Not sure about adaptors but I was able to get a new SIM card from my carrier for about $10.

My understanding is that you can't have two SIM card's use the same number, so I'd have to call and activate/deactivate each time I wanted to switch phones?

I believe that is no longer the case, at least in Spain. Certain operators offer a 2nd SIM card (with the same number) for a few extra euros a month.

In that case though, you can only speak through one of the phones at a time; however, both benefit from the data connection.

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