Some Apple iPhone 5 have an issue with the sleep/wake/power button on the top right of the smartphone.
If you have an iPhone 5 where the wake button doesn't work or only functions intermittently, you may qualify to get a free replacement
As of April 25, 2014, the replacement process will be available in the U.S. and Canada. In other countries, it will be available as of May 2, 2014.
- On your iPhone 5, go to
Settings > General > About to find your serial number.
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Go to Apple and enter your serial number to see if you qualify for a replacement