Everything got deleted on my iPhone?

I have a iPhone 4 and my sister locked me out for 60 mins and then I was messing around on find my iPhone on my iPod 4 an then did this thing and it said delete iPhone and I clicked it and my phone just shut of and the I had to put everything in again and I logged into the iTunes account that I had on my iPhone before everything got deleted and on my iPod currently so basically all my messges, contacts snapchat account music apps Instagram and everything go deleted I didn't do anything on my computer like back it up or whatever I need help please and I don't know what to do!

Easy! Every time you sync something to your Idevice it will save a backup of your device.

So just plug in your Idevice and start up iTunes, then restore from a backup.

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