Apple has announced that certain iPhone 5 owners can get a free battery replacement, depending on the phone's serial number.

Here is part of a note posted on the company's website:

Apple has determined that a very small percentage of iPhone 5 devices may suddenly experience shorter battery life or need to be charged more frequently. The affected iPhone 5 devices were sold between September 2012 and January 2013 and fall within a limited serial number range.

If your iPhone 5 is experiencing these symptoms and meets the eligibility requirements noted below, Apple will replace your iPhone 5 battery, free of charge.

To find out if your phone falls within the specified serial-number range, tap the Settings icon, then tap General, then About. From there, scroll down until you find the Serial Number slot. (More here.)

iPhone About screen

If your serial number is a match, you can take it to an Apple store or authorized retailer for a free replacement, or you can do it via Apple's technical support.

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