Apple has vowed to fix a technical issue that has seen some iPhone 6s handsets shutting down unexpectedly.<br />"Apple has determined that a very small number of iPhone 6S devices may unexpectedly shut down.<br />This is not a safety issue and only affects devices within a limited serial number range that were manufactured between September and October 2015," Apple said in a statement.<br />The company will replace the batteries for these devices at its branded retail stores and authorized service provider centers for free.<br />If you’re facing this problem with your iPhone 6s, Apple says there’s no cause for concern as it isn’t a safety issue.
