Use sharp scissors like these - \r
Or just buy a device like this for $3.85 - \r
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Print the template from here - \r
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This video teaches viewers how to cut a SIM card from a standard (Mini SIM) format down to either a Micro SIM (For the NExus 4 etc.) or Nano SIM (for the new iPhone 5). You can also use a pre-configured SIM cutter like the one linked above if youre uncomfortable cutting your own SIM card using scissors. Thumbs up if you found this video to be helpful & good luck cutting your SIM!\r
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*Disclaimer - cut your SIM at your own risk!