Apple will offer free battery replacements after reports of iPhone 6 devices unexpectedly shutting down. 

The company reported a "very small number" of the phones might shut down unexpectedly. The company wrote in a news release that the issue is not a safety concern and impacts some devices built between September and October 2015. 

Those with the issue are asked to visit an Apple Retail Store or an Apple Authorized Service Provider with the device's serial number in order to get a free battery replacement. 

Before getting the battery replaced, those with the issue are asked to back up the phone's data. For more details, click here.  

Last week, Apple offered to fix iPhone 6s Plus devices that were impacted by the "touch disease," according to ZDNet.com. The issue impacts phones that have been dropped on hard surfaces and makes the screen unresponsive.