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The iPad uses silly little SIM cards that pretty much need to be purchased ad-hoc. This means that in a pinch situation you can't e.g. swap SIM cards between your tablet and your phone (e.g., if either's ran out of credit).

What size does the Nexus 7 use?

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up vote 8 down vote accepted

The Nexus 7 (with mobile data) takes a micro SIM card.

See this page from Google support on how you can Insert & activate a SIM card.

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That's what I feared. Thank you. – badp Dec 11 '12 at 10:16
@badp Most devices, including Android phones, are coming with a micro SIM these days (except some Apple products are using an even smaller nano-SIM). So you shouldn't be too much worried about it. – Suraj Bajaj Dec 11 '12 at 10:43
Also there are cheap Adapters to place a micro SIM card in a normal SIM card device. And you can easily cut a normal SIM card into the micro SIM format with a scissor. So it isn't really a problem after all. – Flow Dec 11 '12 at 10:46
@badp MicroSIM-to-MiniSIM adapters are readily available and cheap (example for $1 All sizes of SIM are functionally identical, given that all the actual circuitry is directly under the contacts. All the extra size is simply empty plastic to make handling easier. – Compro01 Dec 11 '12 at 15:03
@Flow do u know of a good tutorial to show the cutting, or is it just generally cutting plastic as per Compro01 comments above ? ie the difference between a Sim and Micro Sim is simply additional plastic. – Simon Dec 11 '12 at 15:09

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