However, to get the best performance, security, and functionality, it is essential to run the latest possible software version. The is the final and most refined OS version available for this device, bringing vital improvements over 7.0.
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For users on carriers that supported it (such as T-Mobile in the US), OS 7.1 introduced native Wi-Fi Calling. This feature allowed you to make and receive calls over a Wi-Fi network, providing a solution for areas with poor cellular reception. However, to get the best performance, security, and