A new sound file has been discovered in iOS 11 which could potentially be used when a future iPhone is placed on charge via inductive wireless charging, as has been heavily rumored for the iPhone 8.

The sound, which is markedly different to the normal charging sound we hear when a Lightning cable is plugged in, is called “engage_power.caf,” and has until now not been present in iOS.

Apple’s iOS 11 is currently winding its way through what will no doubt prove to be a lengthy and release heavy beta process, and with each release there are new things discovered that were not necessarily highlighted during the announcement which took place during the opening keynote of WWDC 2017. Not all of the discoveries are particularly interesting, and some may never actually make their way into the final shipping product. Sometimes however, we get insights into upcoming products, and this may just be one of those times.

Apple’s iPhone 8 has been rumored to include wireless charging for a long time now, and it is very much possible that the company would want to use a different charging sound to indicate to users that their device is receiving power when placed on a charging pad.

This sound while certainly very different to the normal charging chime does invoke the same kind of response, and would without doubt work as an indication that charging has begun. Given the filename used for the sound, we think this may be right on the money.

Apple already offers inductive charging with the Apple Watch, and with the competition having been offering such charging solutions for their smartphones for years, it would appear that 2017 is finally the year that the iPhone will also be able to charge wirelessly. We will find out for sure this coming September when the next iPhone is announced, assuming we don’t get any major leaks before then.

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