How to update IOS if no SIM installed on the Iphone 5?

How can I update IOS on Iphone5 with no SIM installed? The phone has a paste at home and I've read that an IOS update can solve?

The wife has stopped using it when he went to batcrazy calls on its own and you couldn't stop it, if I can get it resolved that I can then use it.

Thanks in advance

Hello

Not you need a SIM card.

Appointment on apple store, it's a hardware failure with the "home" button.

See you soon

Brian

Tags: iPhone

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